Hitbox visualization showing Byleth's neutral aerial.
Hitbox visualization showing Byleth's neutral aerial, when landing.

Overview

Comprehensive Byleth Nair Document/Guide

Spins Failnaught around himself, hitting multiple times. Byleth's fastest aerial attack. It is useful for edgeguarding and approaching, has some combo potential, and it also possesses a landing hitbox, making it a useful multi-purpose aerial attack. Byleth may occasionally say "Failnaught!" while using this move. At its highest, it does 10.5% damage overall.

Combo Guide

Hitboxes

ID Part Rehit rate Damage SD Angle Angle type BK KS FKV Set weight Radius Bone Offset SDI× T% Clang Rebound Effect Type G A Sound Direct Hit bits Hit part Blockable Reflectable Absorbable Flinchless No GFX Heedless Rehit
Multihits
2 0 7 2.5% 0   Standard 0 100 45   3.5 haver -4.0 -2.8 0.0 0.6× 1.0× 0%               Kick   All All             7
1 0 7 2.5% 0   Standard 0 100 40   3.5 haver -4.0 -2.8 0.0 0.6× 1.0× 0%               Kick   All All             7
0 0 7 2.5% 0   Standard 0 100 45   2.7 haver -4.0 1.3 0.0 0.6× 1.0× 0%               Kick   All All             7
3 0 7 2.5% 0   Standard 0 100 40   2.7 haver -4.0 1.3 0.0 0.6× 1.0× 0%               Kick   All All             7
4 0 7 2.5% 0   Standard 0 100 35   3.0 top 0.0 9.0 0.0 0.6× 1.0× 0%               Kick   All All             7
Final hit
0 0 0 3.0% 0   Standard 44 150 0   10.0 top 0.0 9.0 2.0 1.4× 1.0× 0%               Kick   All All             0
Landing
0 0 0 1.0% 0   Standard 40 120 0   4.0 top 0.0 6.7 -5.0 to 6.0 0.7× 1.0× 0%               Kick   All All             0
The multihit and landing hitboxes use weight-independent knockback.

Timing

Attack

Initial autocancel 1-5
Multihits 6-26
Final hit 28
Ending autocancel 39-
Interruptible 52
Animation length 74
                                                                                                                                                   
                                                                                                                                                   

Landing lag

Hitbox 2
Interruptible 14
Animation length 60
                                                                                                                       
Legend (1 square = 1 frame)
 
Lag time
 
Hitbox
 
Autocancel
 
Interruptible