Editing Instant KO

{{ArticleIcons|brawl=y|ssb4=y|ultimate=y}}
{{disambig2|KOs that occur instantly with no launching or crossing of blast lines|launching attacks powerful enough to KO in one hit|One-hit KO}}
[[File:GreatCaveDangerZoneDeath.gif|thumb|270px|Two fighters are thrown into a [[Danger Zone]] and instantly KO'd.]]
An '''instant KO''' is a type of [[KO]] which occurs instantaneously and in-place, without the fighter passing a [[blast line]] or being [[knockback|launched]] at all. A character suffering an instant KO will disappear into a colorful [[Obliviate|starburst explosion]], while letting out one of their blast KO cries, and then (if they have any [[stock|stocks]] left) [[respawn]] as normal. Instant KOs were introduced as [[stage hazard]]s in ''[[Super Smash Bros. Brawl]]'', and a greater variety of attacks and conditions causing instant KOs were added in ''[[Super Smash Bros. 4]]'' and ''[[Super Smash Bros. Ultimate]]'', the latter game introducing instant variations of [[Screen KO]]s, [[Blast zone]] and [[Star KO]]s. Several instant KOs require the opponent to be at a certain [[damage]] threshold in order to be instantly KO'd; otherwise they will be launched as usual.

==In ''Super Smash Bros. Brawl''==
===Stage hazards===
*Several levels in [[The Subspace Emissary]] feature moving walls, blocks, elevators, and similar solid platforms. If they are caught between two of these objects as they collide together, the player will be [[crush]]ed and instantly KO'd. 

==In ''Super Smash Bros. 4''==
===Final Smashes===
* If {{SSB4|Bayonetta}}'s [[Infernal Climax]] completes, any opponent caught by Gomorrah with 100% or more damage at the end of the attack will be instantly KO'd.

===Enemies===
* [[Orne]], an enemy found in [[Smash Run]], instantly KOs fighters on contact with its [[Obliviate]] [[effect]].

===Stage hazards===
* [[Danger Zone]]s in Smash Run instantly KO the player regardless of damage.
* Danger Zones in [[The Great Cave Offensive]] damage and launch players similarly to [[lava]]; if they have 100% or more damage, however, the player will be instantly KO'd.
* The interior of [[Master Fortress]] is lined with acid-like Danger Zones which cause an instant KO at or above 100% damage.
* On [[Midgar]], when the main platform is cleaved apart by [[Odin]], the two halves of the stage will eventually reconnect. Any fighter caught in the middle when this happens will be crushed.
* When Midgar is flooded by [[Leviathan]], opponents with 100% or more damage will be instantly KO'd if the current sweeps them into the right side of the stage.

==In ''Super Smash Bros. Ultimate''==
===Playable characters' standard moves===
* {{SSBU|Hero}}'s [[Command Selection|Kamikazee]] uniquely instantly KO's ''himself'', damaging foes caught in the blast.
* Hero's [[Command Selection|Metal Slash]] will instantly KO [[metal]] opponents and an opposing Hero under the effect of [[Command Selection|Kaclang]].
* Hero's [[Command Selection|Whack]] and [[Command Selection|Thwack]] have a chance to instantly KO an opponent, with a higher probability the higher both the user and opponent's percentages are.

===Final Smashes===
* {{SSBU|Bayonetta}}'s [[Infernal Climax]] behaves as it did in ''Smash 4''.
* {{SSBU|Bowser}}'s [[Giga Bowser Punch]] can instantly [[Screen KO]] fighters with 60% or more after being punched (80% when using the weaker version via [[Final Smash Meter|FS Meter]]). In situations in which a Screen KO cannot occur, it instead forces the opponent to be KO'd via the upper blast line, resulting in a [[blast KO]] or [[Star KO]] instead.
* {{SSBU|Zelda}}'s [[Triforce of Wisdom]] can instantly KO fighters with 100% or more damage at the end of its animation.
* {{SSBU|Mr. Game & Watch}}'s [[Octopus]] instantly KOs fighters caught in its tentacles upon reaching the side blast zone, if the opponent has not died off the side already.{{fact}}
* {{SSBU|Ridley}}'s [[Plasma Scream]] can instantly KO fighters with 100% or more damage at the end of its animation.
* {{SSBU|Joker}}'s [[All-Out Attack]] can instantly KO fighters with 100% or more damage at the end of its animation. If the last stock is taken with this attack, the game instantly ends and a unique victory screen is played.
* {{SSBU|Sora}}'s [[Sealing the Keyhole]] can instantly KO fighters with 100% or more damage at the end of its animation.

===Items===
* [[Poké Ball]] summon [[Mimikyu]] will instantly KO the fighter it grabs hold of if they reach 90% damage after its attack.
* [[Death's Scythe]] will instantly KO when striking a fighter at or above 70% damage with the tip of the scythe using a fully charged smash attack, 80% damage using an uncharged smash attack, and 120% using a tilt attack.

===Stage hazards===
* Returning stage [[Midgar]] features the same crushing and flood hazards it had in ''Smash 4''.
* Returning stage [[The Great Cave Offensive]] features the same Danger Zones it had in ''for Wii U''.
* [[New Pork City]] is a returning stage with a new hazard: the bite of the [[Ultimate Chimera]] now instantly KOs fighters, instead of imparting extreme knockback as it did in ''Brawl''.
* The [[Red Bulborb]] on returning stage [[Distant Planet]] instantly KOs fighters with its bite, instead of carrying them off screen as in previous games.

===Other===
* ''Ultimate'' is the first game in the series where [[Stamina Mode]] can be played with multiple [[stock]]s. Under these conditions, fighters who lose all [[hit points|HP]] with more than one stock left suffer an instant KO and [[revival platform|respawn]], taking away one stock. When the last stock is lost, the standard Stamina Mode KO occurs with the fighter falling to the ground and lying there motionless, then exploding and disappearing for good (unless they can use [[Share stock]] in a team battle) after a short pause.

==Trivia==
* In ''SSB4'' and ''Ultimate'', when he is instant KO'd, [[Mega Man]] has a unique animation where he explodes into orbs and makes the same sound as when he dies in his home series (this also occurs when he is [[blast KO]]'d). In ''Ultimate'', {{SSBU|Inkling}} also has a unique instant KO animation; they burst into a puddle of ink and their squid-shaped spirit flies upward briefly before disappearing, as in the {{uv|Splatoon}} games.

==Gallery==
<gallery>
Crush.gif|{{SSBB|Samus}} is crushed in [[The Research Facility (Part II)]].
Midgar Crush.gif|{{SSB4|Donkey Kong}} is crushed on [[Midgar]].
Giga Bowser Ultimate KOs.gif|{{b|Giga Bowser|Final Smash}} instantly [[screen KO]]s [[Olimar (SSBU)|two]] [[Pit (SSBU)|fighters]] while [[knockback|launching]] a [[Jigglypuff (SSBU)|third.]]
Deaths Scythe KO.gif|{{SSBU|Ness}} instantly KOs two fighters with [[Death's Scythe]].
Mimikyu Fox KO.gif|[[Mimikyu]] deals an instant KO to {{SSBU|Fox}}.
Ultimate Stamina Stock KO.gif|{{SSBU|Ganondorf}} loses all [[hit points|HP]] in [[Stamina Mode]], causing an instant KO and [[revival platform|respawn]].
</gallery>

[[Category:Attacks]]
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