Isabelle (SSBU)/Up smash

Hitbox visualization showing Isabelle's up smash.

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Overview

Isabelle blows a whistle, spawning a stop sign in front of her. It kills middleweights at around 120% and has decent startup at frame 9, making it useful as an out of shield punish. Because the move's projectile properties bypass hitlag, it can also combo into neutral, up, and forward aerial at low percents. However, such properties also cause it to clank with opposing moves so long as her up smash isn't dealing 9% more than the move in question, weakening its priority.

Update History

4.0.0

• Up smash's second hit has more knockback scaling (111 → 116).

8.0.0

• The move has less startup (frame 11 → 9), with its total duration reduced as well (FAF 48 → 46).
• It starts charging sooner (frame 8 → 7).

Hitboxes

The second hit is tied to the stop sign, and is considered a non-reflectable projectile. This gives it some unusual properties; Isabelle does not experience hitlag from it, it can clang with aerial attacks, and it does not have its damage modified by Isabelle being giant or tiny.

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
Hit 1
0	0	0	2.0%	0		Forward	0	100	70		4.5	top	0.0	4.0	6.5	0.0×	1.0×	0%							Punch		All	All
1	0	0	2.0%	0		Forward	0	100	60		4.5	top	0.0	4.0	6.5	0.0×	1.0×	0%							Punch		All	All
Clean hit 2
0	0	0	12.0%	0		Standard	32	116	0		3.0	top	0.0	3.0 to 13.0	0.0	1.2×	1.0×	0%							Kick		All	All
1	0	0	12.0%	0		Standard	32	116	0		4.5	trafficsign	0.0	3.0	0.0	1.2×	1.0×	0%							Kick		All	All
Late hit 2
0	0	0	10.0%	0		Standard	32	116	0		3.0	top	0.0	3.0 to 13.0	0.0	1.0×	1.0×	0%							Kick		All	All
1	0	0	10.0%	0		Standard	32	116	0		4.5	trafficsign	0.0	3.0	0.0	1.0×	1.0×	0%							Kick		All	All

Timing

Charges between	6-7
Stop sign activation	8
Hit 1	9-10
Clean hit 2	14-16
Late hit 2	17-18
Interruptible	46
Animation length	63

Isabelle
Sign

Legend (1 square = 1 frame)

Lag time

Charge interval

Hitbox

Hitbox change

Prop event

Interruptible

Isabelle's moveset

Neutral attack · 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