Dark Samus (ダークサムス, Dark Samus) is a character from the Metroid series, specifically the Metroid Prime games.
Dark Samus is a doppelgänger of Samus Aran, created when the defeated Metroid Prime absorbed Samus' Phazon Suit after the final battle of Metroid Prime. The result was a phenomenally strong creature, with the same abilites as the real Samus, as well as powerful Phazon-based attacks. It served as a secondary antagonist and the final boss of Metroid Prime 2: Echoes, where it appeared as an intelligent yet primal beast feeding off of Phazon and terrorizing Aether, and as the main antagonist of Metroid Prime 3: Corruption, where it began to spread Phazon throughout the galaxy in an attempt at galactic conquest. Her design in Metroid Prime 2 was used for her trophy and sticker in Brawl, while her newer design in Metroid Prime 3 has been used in games since.
Dark Samus appears as a trophy and as a sticker. Additionally, a "Dark Samus" appears in Co-Op Event 7: Battle of the Dark Sides, though it is merely a blackened version of Samus and not the actual Dark Samus. It teams up with Dark Link against the two players that plays as their light counterparts, Link as player one and Samus as player two.
The description is not entirely accurate; if the player achieves 100% completion in Metroid Prime, a cutscene plays that strongly suggests Metroid Prime being reborn into Samus's stolen Phazon Suit. However, this fact is unknown in-universe, as demonstrated by various pieces of lore in subsequent games.
As an Assist Trophy
Dark Samus appears in her design from Metroid Prime 3: Corruption. Some of her attack animations are similar to Samus's, such as her down tilt and up smash. She hops around with long jumps, attacking with three different moves:
Before leaving, she poses with her Arm Cannon in front of her face. Like several other Assist Trophies, she can be defeated if she takes enough hits, where she will leave by fading out in a bright blue flash.
Dark Samus's color scheme is also the basis of one of Samus's alternate colors. In an event match, this color scheme is used to simulate Samus battling Dark Samus. Similarly, the color scheme appears in a co-op event match that features several playable antagonists as opponents.
Main article: Dark Samus (SSBU)
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