Byleth (SSBU)/Back aerial

Hitbox visualization showing Byleth's back aerial.

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Overview

Byleth performs a backwards thrust using his spear. It consists of two hits; a stronger hit on frames 13 and 14, and a weaker one on 15 and 16. Both of these have sour and sweet spot, on the tip of the spear and base of the spear, with the tipper being the stronger hit. While sharing many characteristics with his forward aerial, the two moves have slightly distinct strengths. Back air is one frame slower, and two frames more minus on shield, it does more damage and has higher base knockback, giving it a slightly higher risk but much higher reward. Players will often confirm this move off of up special for very early kills, sometimes as early as 50%, or use it to catch a spotdodge or something of the such. Its range and power make it a formidable move in Byleth's kit.

Hitboxes

ID	Part	Rehit rate	Damage	SD	Angle	Angle type	BK	KS	FKV	Set weight	Radius	Bone	Offset			H×	SDI×	T%	Clang	Rebound	Effect	Type	G	A	Sound	Direct	Hit bits	Hit part	Blockable	Reflectable	Absorbable	Flinchless	No GFX	Heedless
Clean hit
0	0	0	10.0%	0		Backward	80	60	0		2.3	top	0.0	9.5	-4.0 to -12.0	0.7×	1.0×	0%							Kick		All	All
1	0	0	15.0%	0		Backward	53	75	0		3.5	top	0.0	9.5	-17.0 to -24.0	1.4×	1.0×	0%							Slash		All	All
Late hit (early)
0	0	0	5.0%	0		Backward	50	75	0		2.0	top	0.0	10.0	-4.0 to -12.0	0.8×	1.0×	0%							Kick		All	All
1	0	0	7.5%	0		Backward	50	75	0		3.0	top	0.0	10.0	-17.0 to -23.0	0.8×	1.0×	0%							Slash		All	All
Late hit (late)
0	0	0	5.0%	0		Backward	50	75	0		1.7692	top	0.0	10.0	-3.0 to -10.0	0.8×	1.0×	0%							Kick		All	All
1	0	0	7.5%	0		Backward	50	75	0		2.6923	top	0.0	10.0	-14.0 to -21.0	0.8×	1.0×	0%							Slash		All	All

Timing

Attack

Initial autocancel	1-5
Clean hit	13-14
Late hit	15, 16-17
Ending autocancel	40-
Interruptible	47
Animation length	61

Landing lag

Interruptible	14
Animation length	35

Legend (1 square = 1 frame)

Lag time

Hitbox

Hitbox change

Autocancel

Interruptible

Byleth's moveset

Neutral attack (1 · 2 · 3 · inf) · Forward tilt · Up tilt · Down tilt · Dash attack · Forward smash · Up smash · Down smash
Neutral aerial · Forward aerial · Back aerial · Up aerial · Down aerial
Grab · Pummel · Forward throw · Back throw · Up throw · Down throw
Forward roll · Back roll · Spot dodge · Air dodge · Techs
Floor attack (front) · Floor getups (front) · Floor attack (back) · Floor getups (back) · Floor attack (trip) · Floor getups (trip)
Edge attack · Edge getups
Neutral special · Side special · Up special · Down special · Final Smash