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Byleth Down B SSBU.gif
Aymr in Super Smash Bros. Ultimate.
User Byleth
Universe Fire Emblem
Article on Fire Emblem Wiki Aymr

Aymr (魔斧 アイムール, Demon Axe Aymr) is Byleth's down special move.


The attack consists of Byleth pulling out Aymr, and charge up a powerful slam. Byleth has 30% damage-based armor on frames 34-63 if grounded; after the startup animation, but before the swing itself. It is possible to gain the armor if Byleth lands before frame 34 as well. It can be reversed once and dropped through platforms as a deadly mixup option. It can also hit characters standing on the lower platforms of Battlefield. Aymr does incredible damage and knockback, on top of being able to break shields in a single hit. If used at the edge of a platform, Aymr doesn't impact the ground, but the hitbox will occur slightly lower (around where a stage's ledge is located). With appropriate timing and spacing, this distinction allows Aymr to potentially foil certain recovery efforts. Like other "bold" moves, the clean hit triggers Special Zoom. The move also has several disjointed hitboxes that act as a shockwave when Amyr slams the ground. The shockwave deals significantly more base knockback, but significantly less damage and knockback scaling. If Byleth is airborn and uses Aymr near an edge, the impact of the axe head on the stage will catch them and briefly stop their fall.

Byleth may occasionally yell "Aymr!" while using this move. Similar to Peach Bomber from Brawl onwards and Ness' PK Starstorm as of Smash 4, the clean hit often causes Byleth to say only "Ay-" during the swing and "-mr!" at the landing.

Moves that utilize Aymr[edit]

Aymr is one of Byleth's four weapons utilized throughout his moveset, specifically bound to down moves. Aymr boasts incredibly high damage and knockback on all moves that feature it, though at the cost of extreme lag. Similar to Chrom and Ike, the moves use their own unique "heavy weapon" sound effect.

For his down smash, Byleth sweeps Aymr from front to back. Byleth's down smash is strongest in the game, in terms of damage, dealing a solid 23% on both hits. Both hits are equally powerful, and it also has the power to nearly break full shields with just one swing. However, it is also slower when compared to other down smashes and is punishable.

For his down aerial, Byleth swings Aymr downward, with the ability to meteor smash opponents. It is the strongest meteor smash from a down aerial move in Ultimate, being able to meteor smash grounded opponents at 85%, surpassing Ganondorf's down aerial in terms of knockback. However, it is once again extremely slow, with slow startup, ending lag, and high landing lag.

Instructional quote[edit]

Super Smash Bros. Ultimate Move List BylethHeadSSBU.png Charge up the axe, then swing down with great force. The move leaves you vulnerable, but it's a devastating blow if it connects.


Official artwork of Aymr from Fire Emblem: Three Houses.
Edelgard performing Flickering Flower with Aymr in Fire Emblem: Three Houses.

Aymr is the personal weapon of Edelgard von Hresvelg from Fire Emblem: Three Houses. While it is in her possession, it grants her the Raging Storm combat art, which is effective against dragon enemies and lets her move again when the attack connects. Aymr can be wielded by other characters, but it will not grant Raging Storm to those without the Crest of Seiros and those without a Crest will take damage after attacking with it mimicking characteristics of the traditional Hero's Relic weapons like Areadbhar and Failnaught. The animation itself is based on Flickering Flower, a combat art learned exclusively by Edelgard once mastering the Emperor class in Three Houses, in which she holds an axe back and does an arching attack. Despite being linked to the Crest of Seiros, the Crest Stone embedded in Aymr is engraved with the Crest of the Beast. Similar to the Hero's Relic the Lance of Ruin, the axe head of Aymr features a moving part near the top of the head that mimics a snapping jaw, but is not present in Smash.


Names in other languages[edit]

Language Name
Japan Japanese 魔斧 アイムール
UK English Aymr
France French Aymr
Germany German Aymr
Spain Spanish Aymr
Italy Italian Aymr
China Chinese (Simplified) 魔斧艾姆鲁
Taiwan Chinese (Traditional) 魔斧 艾姆魯
South Korea Korean 마부 아이무르
Netherlands Dutch Aymr
Russia Russian Аймр