List of spirits (Metroid series)

The following is the list of the spirits from the series in Super Smash Bros. Ultimate.

Spirit Battles
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 * 269
 * 3,800
 * Castle Siege (Underground Cavern)
 * •Hazard: High Gravity
 * •Your jumping power decreases
 * Spirit Battle inspiration:
 * Samus's purple costume is based on the Gravity suit, the purple-colored upgrade of Samus's Power Suit.
 * The stage's background features magma, referencing the Gravity Suit's ability to protect the user from lava damage.
 * The music track is based on Sector 1, a lava-filled area in Metroid Fusion which can be explored using the Gravity Suit.
 * The High Gravity hazard and the battle condition references the Gravity Suit's ability to grant the user immunity to high gravity.
 * Spirit Battle inspiration:
 * Samus's purple costume is based on the Gravity suit, the purple-colored upgrade of Samus's Power Suit.
 * The stage's background features magma, referencing the Gravity Suit's ability to protect the user from lava damage.
 * The music track is based on Sector 1, a lava-filled area in Metroid Fusion which can be explored using the Gravity Suit.
 * The High Gravity hazard and the battle condition references the Gravity Suit's ability to grant the user immunity to high gravity.
 * This spirit's Shield type and Lava-Floor Resist ability further reference the Gravity Suit's resistance to lava damage.
 * 274
 * 3,400
 * Frigate Orpheon
 * N/A
 * •The enemy falls slowly
 * Spirit Battle inspiration:
 * Zero Suit Samus's orange Casual Outfit represents her younger self, who wears an orange shirt underneath her military jacket.
 * The white Snake minion represents Adam Malkovich, Young Samus' commanding officer in the Galactic Federation Army, who wears a white uniform.
 * The stage represents the, a Space Pirate-infested spaceship where Samus reunites with Adam Malkovich in Metroid: Other M.
 * Spirit Battle inspiration:
 * Zero Suit Samus's orange Casual Outfit represents her younger self, who wears an orange shirt underneath her military jacket.
 * The white Snake minion represents Adam Malkovich, Young Samus' commanding officer in the Galactic Federation Army, who wears a white uniform.
 * The stage represents the, a Space Pirate-infested spaceship where Samus reunites with Adam Malkovich in Metroid: Other M.
 * The stage represents the, a Space Pirate-infested spaceship where Samus reunites with Adam Malkovich in Metroid: Other M.
 * This spirit's Shooting Items Power ↑ ability references Samus's usage of blaster and Beam weapons in the Metroid series.
 * In World of Light, the Young Samus spirit on Galeem's side of the Final Battle map matches with the Little Birdie spirit on Dharkon's side; both characters are the younger forms of Samus and Ridley appearing in Metroid: Other M.
 * 275
 * 2,100
 * Brinstar (Battlefield form)
 * •Item: Unira •Hazard: Sticky Floor
 * •The floor is sticky •The enemy is easily distracted by items •The enemy has increased move speed
 * Spirit Battle inspiration:
 * The yellow Ivysaur and the Unira item represent the Geemer, a yellow quadruped enemy who features extendable spines.
 * The stage and music track represent Brinstar, an area in Metroid, which first features the Geemer as an enemy.
 * The Sticky Floor hazard references the Geemer's ability to crawl on walls and ceilings in the Meroid series.
 * Spirit Battle inspiration:
 * The yellow Ivysaur and the Unira item represent the Geemer, a yellow quadruped enemy who features extendable spines.
 * The stage and music track represent Brinstar, an area in Metroid, which first features the Geemer as an enemy.
 * The Sticky Floor hazard references the Geemer's ability to crawl on walls and ceilings in the Meroid series.
 * The Sticky Floor hazard references the Geemer's ability to crawl on walls and ceilings in the Meroid series.
 * This spirit's Shield type references the protective nature of the Geemer's spines.
 * This spirit's Jump ↓ ability references how the Geemers are often seen crawling on walls and ceilings in the Metroid series.
 * 276
 * 3,600
 * Brinstar
 * •Item:
 * •The enemy starts the battle with a Screw Attack •The enemy favors special moves
 * Spirit Battle inspiration:
 * The brown Samus represents the Chozo Statue, a light brown metallic humanoid statue, which appears as the background character.
 * The music track features a remix of "Silence", which plays when Samus discovers a room containing a Chozo Statue in Metroid.
 * Samus starting off with a Screw Attack and favored special moves reference the item upgrades provided by the Chozo Statues in the Metroid series.
 * Spirit Battle inspiration:
 * The brown Samus represents the Chozo Statue, a light brown metallic humanoid statue, which appears as the background character.
 * The music track features a remix of "Silence", which plays when Samus discovers a room containing a Chozo Statue in Metroid.
 * Samus starting off with a Screw Attack and favored special moves reference the item upgrades provided by the Chozo Statues in the Metroid series.
 * Samus starting off with a Screw Attack and favored special moves reference the item upgrades provided by the Chozo Statues in the Metroid series.
 * This spirit's Support type and Shooting Attack ↑ ability reference the Chozo Statue's role by providing Samus with upgrades for her Power Suit, including her Beam weapons.
 * This spirit's Grab type references how the Chozo Statue is often depicted holding the Power Suits items in the Metroid series.
 * 277
 * 9,700
 * Brinstar (Battlefield form)
 * •Assist Trophy Enemies (Metroid) •Hazard: Sticky Floor
 * •The floor is sticky •Hostile assist trophies will appear •The enemy's melee blows will heal them when they hit
 * Spirit Battle inspiration:
 * The green-and-red Ridley represents the Metroid larva, a green-and-red enemy, who appears as the Assist Trophy enemy.
 * The stage represents Brinstar, an area on planet Zebes where the Space Pirates plotted to use the titular species as bioweapons in Metroid.
 * The Sticky Floor hazard and the battle conditions reference the Metroid's ability to slow their prey down and absorb their life energy through physical contact.
 * Spirit Battle inspiration:
 * The green-and-red Ridley represents the Metroid larva, a green-and-red enemy, who appears as the Assist Trophy enemy.
 * The stage represents Brinstar, an area on planet Zebes where the Space Pirates plotted to use the titular species as bioweapons in Metroid.
 * The Sticky Floor hazard and the battle conditions reference the Metroid's ability to slow their prey down and absorb their life energy through physical contact.
 * The Sticky Floor hazard and the battle conditions reference the Metroid's ability to slow their prey down and absorb their life energy through physical contact.
 * This spirit's Support type references the 's role by helping Samus destroy Mother Brain in Super Metroid.
 * This spirit's Grab type and KOs Heal Damage ability further reference the Metroid's ability to latch onto their prey and absorb their life energy.
 * In World of Light, the Metroid spirit must be defeated in order to access the Zero Suit Samus fighter, referencing how the Baby Metroid sacrifices itself to protect Samus in Super Metroid.
 * 278
 * 9,300
 * Brinstar Depths (Ω form)
 * •Energy Output ↑ •Assist Trophy Enemies (Mother Brain)
 * •Hostile assist trophies will appear •The enemy favors neutral specials •All fighters' energy attacks have increased power
 * Spirit Battle inspiration:
 * The red Dark Samus represents Mother Brain, the red-colored archenemy of Samus, who appears as the Assist Trophy enemy.
 * The stage represents, an area with lava-filled pits and a dark background, which features Mother Brain's boss battle in Metroid.
 * The music track is based on the escape sequence theme song that plays immediately after defeating Mother Brain in Metroid.
 * Dark Samus's favored Charge Shot and the Energy Output ↑ rule reference Mother Brain's Brain Blast in Metroid: Zero Mission, where she will fire a charged laser blast from her eye.
 * Spirit Battle inspiration:
 * The red Dark Samus represents Mother Brain, the red-colored archenemy of Samus, who appears as the Assist Trophy enemy.
 * The stage represents, an area with lava-filled pits and a dark background, which features Mother Brain's boss battle in Metroid.
 * The music track is based on the escape sequence theme song that plays immediately after defeating Mother Brain in Metroid.
 * Dark Samus's favored Charge Shot and the Energy Output ↑ rule reference Mother Brain's Brain Blast in Metroid: Zero Mission, where she will fire a charged laser blast from her eye.
 * This spirit's Shield type references Mother Brain's Control Capsule, which protects Mother Brain from most attacks.
 * In World of Light, the Mother Brain spirit on Dharkon's side of the Final Battle map matches with the EVE spirit on Galeem's side; both characters are artificial intelligences.
 * 281
 * • (180 HP)
 * 13,300
 * Brinstar (Battlefield form)
 * •Giant •Attack Power ↑
 * •The enemy is giant after a little while •Stamina battle •The enemy has increased attack power after a little while
 * Spirit Battle inspiration:
 * The brown King K. Rool represents the Queen Metroid, a greenish-brown fanged reptile who features a royal title and serves as a final boss.
 * The stage represents the Queen Metroid's nest in Area 8, the final area in Metroid: Samus Returns, which takes in an organic cavern with green glowing liquid.
 * The music track is based on the boss battle theme song of the, an earlier stage of Metroid's life cycle featured in Samus Returns.
 * The Giant and Attack Power ↑ rules reference how the Queen Metroid is the largest and most powerful stage in the Metroid species' natural life cycle.
 * The brown King K. Rool represents the Queen Metroid, a greenish-brown fanged reptile who features a royal title and serves as a final boss.
 * The stage represents the Queen Metroid's nest in Area 8, the final area in Metroid: Samus Returns, which takes in an organic cavern with green glowing liquid.
 * The music track is based on the boss battle theme song of the, an earlier stage of Metroid's life cycle featured in Samus Returns.
 * The Giant and Attack Power ↑ rules reference how the Queen Metroid is the largest and most powerful stage in the Metroid species' natural life cycle.
 * This spirit's Grab type references the Queen Metroid's ability to drain her victim's energy by grabbing them in her jaws.
 * This spirit's Jump ↓ ability references the Queen Metroid's inability to jump during her boss battles.
 * 282
 * • Team ×4
 * 3,900
 * Brinstar
 * N/A
 * •The enemy's neutral special has increased power
 * Spirit Battle inspiration:
 * The purple Dark Samus represents the Zebesian, a dark-colored humanoid enemy who appears in groups.
 * The stage and music track represents Brinstar, an area in Super Metroid, which first features the Zebesian as an enemy.
 * Dark Samus's Charge Shot and the battle condition reference the Zebesian's ability to attack by firing lasers from their claws.
 * Spirit Battle inspiration:
 * The purple Dark Samus represents the Zebesian, a dark-colored humanoid enemy who appears in groups.
 * The stage and music track represents Brinstar, an area in Super Metroid, which first features the Zebesian as an enemy.
 * Dark Samus's Charge Shot and the battle condition reference the Zebesian's ability to attack by firing lasers from their claws.
 * This spirit's Fist Attack ↑ ability further references the Zebesian's ability to attack by using their claws.
 * 283
 * •Giant  (280 HP)
 * 10,000
 * Brinstar Depths (Ω form)
 * •Jump Power ↓ •Move Speed ↓
 * •Stamina battle •The enemy is giant
 * The blue Giant King K. Rool and the rules represent Kraid, a giant reptilian antagonist who features slow, lumbering movements and the inability to jump.
 * The stage and music track represent Kraid's Lair, an area below Brinstar, which features Kraid's boss battle in Metroid.
 * 284
 * •Clear
 * 3,500
 * Frigate Orpheon
 * •Item: Hothead
 * •The enemy is invisible
 * Spirit Battle inspiration:
 * The yellow Clear Inkling represents Phantoon, a large, yellow, squid-like boss who features the ability to turn transparent.
 * The stage represents the Wrecked Ship, a ruined spaceship, which features Phantoon's boss battle in Super Metroid.
 * The music track is based on the miniboss battle theme of Metroid: Other M, which features Phantoon as the secret final boss.
 * The Hothead item references Phantoon's Phantom Eyes attack, which allows it to attack by using eyeballs covered in flames.
 * Frigate Orpheon
 * •Item: Hothead
 * •The enemy is invisible
 * Spirit Battle inspiration:
 * The yellow Clear Inkling represents Phantoon, a large, yellow, squid-like boss who features the ability to turn transparent.
 * The stage represents the Wrecked Ship, a ruined spaceship, which features Phantoon's boss battle in Super Metroid.
 * The music track is based on the miniboss battle theme of Metroid: Other M, which features Phantoon as the secret final boss.
 * The Hothead item references Phantoon's Phantom Eyes attack, which allows it to attack by using eyeballs covered in flames.
 * The Hothead item references Phantoon's Phantom Eyes attack, which allows it to attack by using eyeballs covered in flames.
 * This spirit's Shield type references how Phantoon can become intangible and invulnerable by closing its eye.
 * This spirit's Sticky-Floor Immunity ability references the Phantoon's ability to float, which makes it unable to touch the floor.
 * 285
 * • Team ×10
 * 2,100
 * Lylat Cruise
 * N/A
 * •The enemy favors neutral specials •Defeat an army of fighters
 * Spirit Battle inspiration:
 * The yellow Kirby's favored Inhale represent the X Parasite, a yellow blob-like enemy who can absorb their victims and and copy their appearances and abilities.
 * The stage references the beginning of Metroid Fusion where the X Parasites infect Samus's body while flying her Gunship, causing her to crash into an asteroid field.
 * Spirit Battle inspiration:
 * The yellow Kirby's favored Inhale represent the X Parasite, a yellow blob-like enemy who can absorb their victims and and copy their appearances and abilities.
 * The stage references the beginning of Metroid Fusion where the X Parasites infect Samus's body while flying her Gunship, causing her to crash into an asteroid field.
 * The stage references the beginning of Metroid Fusion where the X Parasites infect Samus's body while flying her Gunship, causing her to crash into an asteroid field.
 * This spirit is featured at Beedle's Tent, which sells spirits related to living creatures, including the X Parasites.
 * 287
 * •Giant  (140 HP)
 * 4,100
 * Norfair (Ω form)
 * •Move Speed ↓
 * •The enemy's smash attacks have increased power •Stamina battle •The enemy is giant
 * Spirit Battle inspiration:
 * The grey Giant Meta Ridley and the music track represent Mecha Ridley, the giant, robotic version of Ridley who features a silver color scheme.
 * The Move Speed ↓ rule references how Mecha Ridley is missing its walking and flying units, causing its movements to become hindered.
 * Spirit Battle inspiration:
 * The grey Giant Meta Ridley and the music track represent Mecha Ridley, the giant, robotic version of Ridley who features a silver color scheme.
 * The Move Speed ↓ rule references how Mecha Ridley is missing its walking and flying units, causing its movements to become hindered.
 * The Move Speed ↓ rule references how Mecha Ridley is missing its walking and flying units, causing its movements to become hindered.
 * This spirit's Initial Damage 30% ability further references how Mecha Ridley is an incomplete robot, making it appear as a weaker robotic version of Ridley.
 * 288
 * 1,600
 * Shadow Moses Island
 * N/A
 * •Defeat the main fighter to win
 * The white Snake represents Adam Malkovich, a military leader of the Galactic Federation Army who wears a white uniform.
 * The white Zero Suit Samus minion represents her younger self, who served in the Galactic Federation Army under Adam Malkovich's command.
 * The stage represents the interior of the BOTTLE SHIP where Samus reunites with Adam Malkovich in Metroid: Other M.
 * 289
 * •Tiny
 * 3,700
 * Distant Planet
 * •Defense ↑ •Attack Power ↑ •Giant
 * •The enemy is giant after a little while •The enemy has increased attack power after a little while •The enemy has increased defense after a little while
 * Spirit Battle inspiration:
 * The yellow Tiny Ridley and the music tack represent Little Birdie, the cloned larval stage of Ridley with yellow fur.
 * The stage represents the, a forest-like room of the where Samus first encounters Little Birdie in Metroid: Other M.
 * The rules reference Little Birdie's life cycle, where he would grow into his adolescent stage, and eventually grow up into Ridley.
 * 3,700
 * Distant Planet
 * •Defense ↑ •Attack Power ↑ •Giant
 * •The enemy is giant after a little while •The enemy has increased attack power after a little while •The enemy has increased defense after a little while
 * Spirit Battle inspiration:
 * The yellow Tiny Ridley and the music tack represent Little Birdie, the cloned larval stage of Ridley with yellow fur.
 * The stage represents the, a forest-like room of the where Samus first encounters Little Birdie in Metroid: Other M.
 * The rules reference Little Birdie's life cycle, where he would grow into his adolescent stage, and eventually grow up into Ridley.
 * The stage represents the, a forest-like room of the where Samus first encounters Little Birdie in Metroid: Other M.
 * The rules reference Little Birdie's life cycle, where he would grow into his adolescent stage, and eventually grow up into Ridley.
 * This spirit's Stats ↑ after Eating ability references Little Birdie's voracious appetite, which enables his growth cycle into his dangerous older stages.
 * In World of Light, the Little Birdie spirit on Dharkon's side of the Final Battle map matches with the Young Samus spirit on Galeem's side; both characters are the younger forms of Ridley and Samus appearing in Metroid: Other M.
 * 290
 * •Giant
 * 3,900
 * The Great Cave Offensive (Battlefield form)
 * •Item:
 * •The enemy starts the battle with a Drill •The enemy is giant
 * Spirit Battle inspiration:
 * The yellow Giant R.O.B. starting off with a Drill represents the Diggernaut, a giant yellow mining robot equipped with drills and laser-shooting eyes.
 * The stage and music track represent, a crystalline underground area where Diggernaut pursues Samus in Metroid: Samus Returns.
 * Spirit Battle inspiration:
 * The yellow Giant R.O.B. starting off with a Drill represents the Diggernaut, a giant yellow mining robot equipped with drills and laser-shooting eyes.
 * The stage and music track represent, a crystalline underground area where Diggernaut pursues Samus in Metroid: Samus Returns.
 * The stage and music track represent, a crystalline underground area where Diggernaut pursues Samus in Metroid: Samus Returns.
 * This spirit's Bury Immunity ability references the Diggernaut's ability to dig through underground areas with its mining drills.
 * In World of Light, the Diggernaut spirit is located in the Badlands area in the Light Realm, with large bones and an excavated hole, referencing, an underground area in Samus Returns, which features Diggernaut's boss battle.
 * 291
 * •Metal  (180 HP)
 * 13,900
 * Norfair
 * •Curry-Filled
 * •Stamina battle •The enemy breathes fire •The enemy is metal
 * Spirit Battle inspiration:
 * The Metal Meta Ridley and the music track represent Omega Ridley, the stronger form of Meta Ridley infused with Phazon-enhanced armor-skin.
 * The Curry-Filled rule references Omega Ridley's Kinetic Breath Weapon attack, which allows him to breathe a powerful stream of fiery plasma.
 * Spirit Battle inspiration:
 * The Metal Meta Ridley and the music track represent Omega Ridley, the stronger form of Meta Ridley infused with Phazon-enhanced armor-skin.
 * The Curry-Filled rule references Omega Ridley's Kinetic Breath Weapon attack, which allows him to breathe a powerful stream of fiery plasma.
 * The Curry-Filled rule references Omega Ridley's Kinetic Breath Weapon attack, which allows him to breathe a powerful stream of fiery plasma.
 * This spirit's Attack type references how Omega Ridley is the strongest form of Meta Ridley after being infused and empowered by Phazon.
 * This spirit's Weight ↑ ability references how Omega Ridley remains mostly stationary during his boss battle in Metroid Prime 3: Corruption.
 * 292
 * •Giant
 * 4,000
 * Frigate Orpheon
 * •Attack Power ↑
 * •The enemy has increased attack power •The enemy shields often •The enemy is giant
 * Spirit Battle inspiration:
 * The blue Giant Ridley represents the Parasite Queen, a giant alien boss with reptilian features, who appears as the background character.
 * The stage and music track represent the Frigate Orpheon's Reactor Core in Metroid Prime, which features the Parasite Queen's boss battle.
 * The Attack Power ↑ rule references how the Parasite Queen is the powerful Phazon-enhanced form of the regular Parasite enemy.
 * The second battle condition references the Frigate Orpheon's Reactor Core shields, which can protect the Parasite Queen uses to protect herself in Metroid Prime.
 * The blue Giant Ridley represents the Parasite Queen, a giant alien boss with reptilian features, who appears as the background character.
 * The stage and music track represent the Frigate Orpheon's Reactor Core in Metroid Prime, which features the Parasite Queen's boss battle.
 * The Attack Power ↑ rule references how the Parasite Queen is the powerful Phazon-enhanced form of the regular Parasite enemy.
 * The second battle condition references the Frigate Orpheon's Reactor Core shields, which can protect the Parasite Queen uses to protect herself in Metroid Prime.
 * This spirit's Attack type further references how the Parasite Queen is the powerful Phazon-enhanced form of the regular Parasite enemy.
 * This spirit's Screen-Flip Immunity ability references the Frigate Orpheon stage in the Super Smahs Bros. series, which will occasionally flip upside down.
 * In World of Light, the Parasite Queen spirit is located in the Base map, referencing how the Parasite Queen was created in the Space Pirates' base in the Frigate Orpheon.
 * 293
 * 1,700
 * Brinstar
 * •Item: Motion-Sensor Bomb
 * •The enemy is easily distracted by items
 * Spirit Battle inspiration:
 * The green-and-yellow Samus represents Kanden, an intergalactic bounty hunter who features a yellow color scheme.
 * The Motion-Sensor Bomb item references the, the explosive segments of Kanden's Alt-Form,.
 * •The enemy is easily distracted by items
 * Spirit Battle inspiration:
 * The green-and-yellow Samus represents Kanden, an intergalactic bounty hunter who features a yellow color scheme.
 * The Motion-Sensor Bomb item references the, the explosive segments of Kanden's Alt-Form,.
 * The Motion-Sensor Bomb item references the, the explosive segments of Kanden's Alt-Form,.
 * This spirit's Electric Resist ↑ ability references how Kanden's body is covered in an electromagnetic field.
 * 294
 * 1,900
 * Norfair (Battlefield form)
 * •Invisibility
 * •The enemy is invisible
 * Spirit Battle inspiration:
 * The pink Samus represents Trace, an intergalactic bounty hunter who features a red color scheme.
 * The stage represents, a volcanic planet which can feature Trace as a random boss in Metroid Prime Hunters.
 * The Invisibility rule references Trace's ability to turn invisible while using his Affinity Weapon, the.
 * Spirit Battle inspiration:
 * The pink Samus represents Trace, an intergalactic bounty hunter who features a red color scheme.
 * The stage represents, a volcanic planet which can feature Trace as a random boss in Metroid Prime Hunters.
 * The Invisibility rule references Trace's ability to turn invisible while using his Affinity Weapon, the.
 * The Invisibility rule references Trace's ability to turn invisible while using his Affinity Weapon, the.
 * In World of Light, the Trace spirit is located on a burning planet in the outer space area in the Light Realm, further referencing the volcanic planet Alinos from Metroid Prime Hunters.
 * 295
 * 1,800
 * Frigate Orpheon
 * N/A
 * •Take your strongest team into this no-frills battle
 * Spirit Battle inspiration:
 * Dark Samus's purple costume is based on Gandrayda, a purple female humanoid alien who is absorbed by Dark Samus.
 * The blue Pikachu minion references Gandrayda's electrical powers and usage of electrical attacks.
 * The stage represents the Proving Grounds, the area within the Pirate Research in Metroid Prime 3: Corruption, which features Gandrayda's boss battle.
 * Spirit Battle inspiration:
 * Dark Samus's purple costume is based on Gandrayda, a purple female humanoid alien who is absorbed by Dark Samus.
 * The blue Pikachu minion references Gandrayda's electrical powers and usage of electrical attacks.
 * The stage represents the Proving Grounds, the area within the Pirate Research in Metroid Prime 3: Corruption, which features Gandrayda's boss battle.
 * The stage represents the Proving Grounds, the area within the Pirate Research in Metroid Prime 3: Corruption, which features Gandrayda's boss battle.
 * This spirit's Electrical Attack ↑ ability further references Gandrayda's electrical powers and usage of electrical attacks.
 * 1,497
 * 9,500
 * Frigate Orpheon
 * •Assist Trophy Enemies
 * •Hostile assist trophies will appear when the enemy's at high damage
 * Spirit Battle inspiration:
 * The blue Samus is based on her appearance in Metroid Dread, who wears a Power Suit with a blue color scheme.
 * The stage represents the planet ZDR, the main setting of Metroid Dread, which features research facilities and laboratories similar to the Frigate Orpheon.
 * The Metroid Assist Trophy enemy references how Samus possesses the Metroid's DNA after the events of Metroid Fusion, which serves as the prequel to Metroid Dread
 * Spirit Battle inspiration:
 * The blue Samus is based on her appearance in Metroid Dread, who wears a Power Suit with a blue color scheme.
 * The stage represents the planet ZDR, the main setting of Metroid Dread, which features research facilities and laboratories similar to the Frigate Orpheon.
 * The Metroid Assist Trophy enemy references how Samus possesses the Metroid's DNA after the events of Metroid Fusion, which serves as the prequel to Metroid Dread
 * The Metroid Assist Trophy enemy references how Samus possesses the Metroid's DNA after the events of Metroid Fusion, which serves as the prequel to Metroid Dread
 * This spirit's Shield type references Samus' immunity against X Parasites in Metroid Dread.
 * This spirit's Shooting Items Power ↑ ability references how Samus can upgrade her Beam weapons with power-ups in Metroid Dread.
 * 1,498
 * •Giant  (INT)/ (JP/CH/KR) (20 HP)
 * 9,600
 * Brinstar Depths (Battlefield form)
 * •Attack Power ↑ •Move Speed ↑ •Temporary Invincibility
 * •The enemy will occasionally be invincible •Stamina battle (player 30 HP) •The enemy has increased move speed
 * Spirit Battle inspiration:
 * The grey/default Giant R.O.B. represents E.M.M.I., a giant white robot with an acronymic name.
 * The music track is based on the miniboss battle theme from Metroid: Other M, referencing the E.M.M.I.'s status as minibosses in Metroid Dread.
 * The rules reference the E.M.M.I.'s invulnerability against Samus's normal weapons, and their ability to quickly pursue and kill Samus if they spot her.
 * The fighters starting off with low HP and the rules' short intervals reference Samus's narrow chance of defeating the E.M.M.I. with an Omega Blaster shot, and the E.M.M.I.'s high chance of killing Samus.
 * The grey/default Giant R.O.B. represents E.M.M.I., a giant white robot with an acronymic name.
 * The music track is based on the miniboss battle theme from Metroid: Other M, referencing the E.M.M.I.'s status as minibosses in Metroid Dread.
 * The rules reference the E.M.M.I.'s invulnerability against Samus's normal weapons, and their ability to quickly pursue and kill Samus if they spot her.
 * The fighters starting off with low HP and the rules' short intervals reference Samus's narrow chance of defeating the E.M.M.I. with an Omega Blaster shot, and the E.M.M.I.'s high chance of killing Samus.
 * This spirit's Attack type and Speed ↑ ability further references how the E.M.M.I. are quick and powerful robots.
 * 1,499
 * • • ×2
 * 3,900
 * Brinstar
 * N/A
 * •Reinforcements will appear during the battle •The enemy starts the battle with a Killing Edge •The enemy starts the battle with a Back Shield •The enemy starts the battle with a Death's Scythe
 * Spirit Battle inspiration:
 * The larger red Falco starting off with a Killing Edge and a Back Shield represent the red Chozo Soldier, who wields a double-edged spear and shield.
 * The larger black Falco minions starting off with a Death's Scythe represent the black Chozo Soldiers who each wield double-edged spears.
 * The stage represents Brinstar, an area on the planet Zebes which was originally inhabited by the Chozo race in the Metroid series.
 * The music track is based on the battle theme song of Metroid Prime Hunters, referencing the Chozo Soldiers' roles as enemies in Metroid Dread.
 * The larger red Falco starting off with a Killing Edge and a Back Shield represent the red Chozo Soldier, who wields a double-edged spear and shield.
 * The larger black Falco minions starting off with a Death's Scythe represent the black Chozo Soldiers who each wield double-edged spears.
 * The stage represents Brinstar, an area on the planet Zebes which was originally inhabited by the Chozo race in the Metroid series.
 * The music track is based on the battle theme song of Metroid Prime Hunters, referencing the Chozo Soldiers' roles as enemies in Metroid Dread.
 * This spirit's Neutral type references how the Chozo Soldiers were assimilated by the X Parasites and became enemies in Metroid Dread.
 * This spirit's Battering Items ↑ ability references the Chozo Soldiers' usage of their double-edged spears in Metroid Dread.
 * }

Trivia

 * The artwork used for Nightmare's spirit has never been publicly released prior to Ultimate. Based on the design and art style, it is presumably concept art from Metroid: Other M.
 * The artwork used for the Geemer spirit is actually identified as a Zoomer in the English translation of the Metroid: Zero Mission manual. It should be noted that "Geemer" and "Zoomer" are alternate translations of the same enemy name, although the Metroid Prime series established Geemers and Zoomers as two separate but closely-related species.
 * Prior to Ultimate, "" was an unofficial translation of Ridley Robot's Japanese name, which became popular enough as a nickname that it often was interchangeably used with the official name.
 * The Samus (Metroid Dread) and E.M.M.I. spirits are the only DLC spirits to be available through amiibo, with their compatibility being in an update.