Koku/Strategy

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This page is a Strategy stub. Please help us expand it by contributing relevant data. See Meta:Manual of Style/Character Pages/Strategy for more info.

Ratings

Koku			07
	Edit rating Role: Attacker/Debuffer/Support Grants 10% ATK Up (Stackable / Max: 40%)ATK is boosted while active (Stackable) Strength: 10% (Max: 40%)Multiplier: Unique StackableDuration: Indefinite, 10% DEF Up (Stackable / Max: 40%)DEF is boosted while active (Stackable) Strength: 10% (Max: 40%)Duration: Indefinite, and Dispel Cancel (1 time)Buffs can't be removed or shortened (1 time) Duration: Indefinite to all Dark allies. Inflicts 10% ATK Down (Stackable / Max: 40%)ATK is lowered (Stackable) Strength: 10% (Max: 40%)Base Accuracy: 100%Duration: 180 seconds, 10% DEF Down (Stackable / Max: 40%)DEF is lowered (Stackable) Strength: 10% (Max: 40%)Base Accuracy: 100%Duration: 180 seconds, and 10% Debuff Res. Down (Stackable / Max: 30%)Debuff resistance is lowered (Stackable) Strength: 10% (Max: 30%)Base Accuracy: 100%Duration: 180 seconds on a foe. Removes up to 3 buffs from a foe. Ends cooldown for all skills whenever charge attack is used. Has permanent 50% hit to charge bar gain, but gain Charge Bar +50%Instantly boosts Charge Bar by 50% Strength: 50% upon being targeted by a Dark ally's buff or healing skill. Has  Emissary of Annihilation10% boost to Mistfall's weapon skills. (Takes effect even when Koku is a sub ally.), which increases the effects of all Dark Omega weapon skills by 10%. This support skill takes effect even when Koku is a sub ally.

Site	RatingThe character's overall rating out of 10.	GrindingThe character's general efficiency in repeatedly clearing menial content with an emphasis on real-time speed. GW Max Grade: SS KG Max Grade: SS	Full AutoThe character's general performance in Full Auto parties. GW Max Grade: SS KG Max Grade: SS	High DifficultyThe character's capability relative to the game's most difficult content. GW Max Grade: SS KG Max Grade: SS	Last Update
GameWith	9.5	A	S	A	2025-01-08
Kamigame	9.5	A	S	B	2025-02-10

Extended Mastery Perks

GamewithKamigame

Koku			Stars: 9	EMP: 45
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Resistance ★☆☆ ★★☆ ★★★ 5% 8% 10%	Overdrive Attack ★☆☆ ★★☆ ★★★ 5% 8% 10%	Overdrive Curbed ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	☆☆☆	☆☆☆	☆☆☆	☆☆☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Dark ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
☆☆☆	☆☆☆	☆☆☆	★★★	☆☆☆
Skill Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Success Rate Up ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	★★★	★★★	☆☆☆	☆☆☆
Last update: 2025-01-07

Gamewith's recommended EMP build for Koku.

Koku			Stars: 18	EMP: 171
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Resistance ★☆☆ ★★☆ ★★★ 5% 8% 10%	Overdrive Attack ★☆☆ ★★☆ ★★★ 5% 8% 10%	Overdrive Curbed ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	★☆☆	☆☆☆	☆☆☆	☆☆☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Dark ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
★☆☆	★☆☆	★★★	★★★	☆☆☆
Skill Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Debuff Success Rate Up ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	★★★	★★★	★★★	☆☆☆
Last update: 2025-02-10

Kamigame's recommended EMP build for Koku.

Resources

• Reddit Character Discussion (2025-04-25)