Editing Bowser Jr. (SSBU)/Up smash

{{ArticleIcons|ssbu=y}}
[[File:BowserJrUSmashSSBU.gif|thumb|500px|Hitbox visualization showing Bowser Jr.'s up smash.]]

==Overview==
Bowser Jr. performs a handstand to attack with the Junior Clown Car's spinning propeller. It is Bowser Jr.'s fastest smash attack, with its multiple hits being useful for pressuring [[shield]]s or denying aerial approaches. Does 1% at the first hit, 1.3% for hits 2-4, 2.3% for hit 5, and 6% on the last hit.

This move received major buffs during game updates. Version 3.1.0 increases the [[knockback]] for the final hit, allowing to [[KO]] opponents easily. Version 9.0.0 has its [[hitbox]]es to increase in size.

==Update History==
'''{{GameIcon|ssbu}} {{SSBU|3.1.0}}'''
*{{buff|Up smash's last hit has more base knockback (32 → 38).}}
'''{{GameIcon|ssbu}} {{SSBU|9.0.0}}'''
*{{buff|[[Up smash]] has larger hitboxes (2.5u/2.5u/4u → 3.2u/3.2u/4.7u (clean loop), 4.6u → 5.1u (late loop), 5.5u → 6.5u (last hit)) that stretch farther horizontally (Z offset: -4u—7u → -6.5u—7u (loop), -4u—5u → -5u—5u (last hit)), with the last hit placed lower (Y offset: 24.5u—22.5u → 23u—21u). The looping hits also launch at different angles (120°/190°/140° → 105°/175°/140°), and their hitbox with the lowest priority deals more knockback (base: 0 → 30). Altogether, these changes allow the move to connect more reliably.}}
'''{{GameIcon|ssbu}} {{SSBU|13.0.1}}'''
*{{buff|The multihits and penultimate hit deal more damage (1.3%/1.0% → 1.7%/1.4%).}} 

==Hitboxes==
{{UltimateHitboxTableHeader}}
! {{rollover|Rehit rate|If not 0, hits again every X frames|y}}
{{HitboxTableTitle|Hit 1|25}}
{{UltimateHitboxTableRow
|id=0
|part=1
|damage={{ChargedSmashDmgSSBU|1.0}}
|angle=102
|bk=0
|ks=100
|fkv=80
|r=4.5
|bn=top
|xpos=0.0
|ypos=10.0
|zpos=-5.0 to 5.0
|ff=1.0
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=S
|a=f
}}
|0
{{HitboxTableTitle|Multihits (early)|25}}
{{UltimateHitboxTableRow
|id=0
|rehit=3
|damage={{ChargedSmashDmgSSBU|1.7}}
|angle=105
|bk=0
|ks=100
|fkv=18
|r=3.2
|bn=top
|xpos=0.0
|ypos=18.0 to 16.0
|zpos=-6.5 to 7.0
|ff=0.6
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=S
|g=f
}}
|3
{{UltimateHitboxTableRow
|id=1
|rehit=3
|damage={{ChargedSmashDmgSSBU|1.7}}
|angle=175
|bk=0
|ks=100
|fkv=20
|r=3.2
|bn=top
|xpos=0.0
|ypos=21.0 to 19.0
|zpos=-6.5 to 7.0
|ff=0.6
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=S
|g=f
}}
|3
{{UltimateHitboxTableRow
|id=2
|rehit=3
|damage={{ChargedSmashDmgSSBU|1.7}}
|angle=140
|bk=30
|ks=100
|fkv=50
|r=4.7
|bn=top
|xpos=0.0
|ypos=18.0 to 16.0
|zpos=-6.5 to 7.0
|ff=0.6
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=S
|a=f
}}
|3
{{HitboxTableTitle|Multihits (late)|25}}
{{UltimateHitboxTableRow
|id=0
|part=1
|rehit=3
|damage={{ChargedSmashDmgSSBU|1.4}}
|angle=120
|bk=0
|ks=100
|fkv=35
|r=5.1
|bn=top
|xpos=0.0
|ypos=19.0 to 17.0
|zpos=-6.5 to 7.0
|ff=1.0
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=S
}}
|3
{{UltimateHitboxTableRow
|id=1
|rehit=3
|damage={{ChargedSmashDmgSSBU|1.7}}
|angle=175
|bk=0
|ks=100
|fkv=20
|r=3.2
|bn=top
|xpos=0.0
|ypos=21.0 to 19.0
|zpos=-6.5 to 7.0
|ff=0.6
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=S
|g=f
}}
|3
{{UltimateHitboxTableRow
|id=2
|rehit=3
|damage={{ChargedSmashDmgSSBU|1.7}}
|angle=140
|bk=30
|ks=100
|fkv=50
|r=4.7
|bn=top
|xpos=0.0
|ypos=18.0 to 16.0
|zpos=-6.5 to 7.0
|ff=0.6
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=S
|a=f
}}
|3
{{HitboxTableTitle|Final hit|25}}
{{UltimateHitboxTableRow
|id=0
|damage={{ChargedSmashDmgSSBU|6.0}}
|angle=85
|af=3
|bk=38
|ks=175
|fkv=0
|r=6.5
|bn=top
|xpos=0.0
|ypos=23.0 to 21.0
|zpos=-5.0 to 5.0
|ff=1.8
|type=Weapon
|effect=Slash
|sfx=Slash
|slvl=L
}}
|0
|}

==Timing==
During the late multihits, the ID 0 hitbox can hit simultaneously alongside either the ID 1 or 2 hitbox due to having different part numbers.
{|class="wikitable"
!Charges between
|4-5
|-
!Hit 1
|7-8
|-
!Multihits (early, late)
|9-17, 18 (rehit rate: 3)
|-
!Final hit
|22-23
|-
!Interruptible
|55
|-
!Animation length
|65
|}

{{FrameStripStart}}
{{FrameStrip|t=Lag|c=4|e=LagChargeS}}{{FrameStrip|t=Lag|c=2|s=LagChargeE}}{{FrameStrip|t=Hitbox|c=2|e=HitboxChangeS}}{{FrameStrip|t=Hitbox|c=9|s=HitboxChangeE|e=HitboxChangeS}}{{FrameStrip|t=Hitbox|c=1|s=HitboxChangeE}}{{FrameStrip|t=Lag|c=3}}{{FrameStrip|t=Hitbox|c=2}}{{FrameStrip|t=Lag|c=31}}{{FrameStrip|t=Interruptible|c=11}}
{{FrameStripEnd}}
{{FrameIconLegend|lag=y|charge=y|hitbox=y|hitboxchange=y|interruptible=y}}

{{MvSubNavBowserJr|g=SSBU}}
[[Category:Bowser Jr. (SSBU)]]
[[Category:Up smashes (SSBU)]]
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