Cosmos/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

Cosmos			06 01
	Edit rating Role: Attacker/Support Deals superior elemental damage regardless of her foe's element. Gains additional offensive capabilities when Halo AttunementActivates Erasure Blast upon normal attack / Activates Sweeping Detonation upon charge attack / Charge attack activates twice (Can't be removed) Duration: Indefinite is active. Charge attack activates twice. Sweeping Detonation6-hit, 400% all-elemental damage to all foes (Damage cap: ~235,000 per hit). Remove 1 buff from all foes. (While Halo AttunementActivates Erasure Blast upon normal attack / Activates Sweeping Detonation upon charge attack / Charge attack activates twice (Can't be removed) is in effect: Auto-activates upon charge attacks.) auto-activates upon charge attacks. Blast Erasure800% Light damage to a foe (Damage cap: ~820,000). Inflict 10% DA Down (Stackable / Max: 40%)Double attack rate is lowered (Stackable) Strength: 10% (Max: 40%)Base Accuracy: 100%Duration: 180 seconds and 10% TA Down (Stackable / Max: 40%)Triple attack rate is lowered (Stackable) Strength: 10% (Max: 40%)Base Accuracy: 100%Duration: 180 seconds. Gain Charge Bar +20%Instantly boosts Charge Bar by 20% Strength: 20%. (While Halo AttunementActivates Erasure Blast upon normal attack / Activates Sweeping Detonation upon charge attack / Charge attack activates twice (Can't be removed) is in effect: Auto-activates upon normal attacks.) auto-activates upon normal attacks. Provides various buffs to all Light allies based on her HP. Excellent in high difficulty contents and Full Auto setups.

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	10	A	SS	SS	2025-11-11
Kamigame	10	A	SS	SS	2024-03-18

Synergy

• Yuni: The frequent use of RevitaliseAll Light allies gain Charge Bar +10%Instantly boosts Charge Bar by 10%
  Strength: 10%.
  Restore 10% of all Light allies' HP (Healing cap: 1000) and 2-turn cut to debuff durations.
  (Gain 1 Precious WishConsumed upon using Yuni's skills (Max: 10 / Can't be removed)
  Duration: Indefinite.) effectively cuts Halo AttunementGain Halo AttunementActivates Erasure Blast upon normal attack / Activates Sweeping Detonation upon charge attack / Charge attack activates twice (Can't be removed)
  Duration: Indefinite, Instant ChargeInstantly sets Charge Bar to 100%
  Unaffected by Charge Bar Gain status effects.
  No effect when afflicted with Shorted debuffs or when Charge Bar is above 100%., and UnchallengedNext DMG received will be ineffective
  Duration: 1 turn .
  Set HP to 50% of max HP.
  (From 2nd cast onwards:
  End cooldown for caster's other skills.
  Can use each damage skill up to one extra time this turn.)'s cooldown by half, and Seize the DayEnd cooldown for another Light ally's skills and grant Instant RecastCan use each skill up to 1 extra time this turn (Can't be removed)
  Duration: 1 turn .
  (Uses 7 Precious WishConsumed upon using Yuni's skills (Max: 10 / Can't be removed)
  .) further allows it to be cast twice in the same turn, for a very strong manual burst.
  • Instant RecastCan use each skill up to 1 extra time this turn (Can't be removed)
    does not stack with Halo Attunement's skill reuse effect, but they will still reset the cooldown for the other skills on use.

Extended Mastery Perks

GamewithKamigame

Cosmos			Stars: 15	EMP: 120
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Double Attack Rate ★☆☆ ★★☆ ★★★ 3% 5% 6%	Debuff Resistance ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	☆☆☆	☆☆☆	☆☆☆	☆☆☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Light ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
☆☆☆	☆☆☆	☆☆☆	★★★	★★★
Critical Hit ★☆☆ ★★☆ ★★★ 12% chance for 12% more DMG 20% chance for 20% more DMG 25% chance for 25% more DMG	Light ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Upon using Halo AttunementGain Halo AttunementActivates Erasure Blast upon normal attack / Activates Sweeping Detonation upon charge attack / Charge attack activates twice (Can't be removed) Duration: Indefinite, Instant ChargeInstantly sets Charge Bar to 100% Unaffected by Charge Bar Gain status effects. No effect when afflicted with Shorted debuffs or when Charge Bar is above 100%., and UnchallengedNext DMG received will be ineffective Duration: 1 turn . Set HP to 50% of max HP. (From 2nd cast onwards: End cooldown for caster's other skills. Can use each damage skill up to one extra time this turn.): Gain DA UpDouble attack rate is boosted Duration: 3 turns and TA UpTriple attack rate is boosted Duration: 3 turns.
☆☆☆	★★★	★★★	★★★	☆☆☆
Last update: 2024-02-22

Gamewith's recommended EMP build for Cosmos.

Cosmos			Stars: 18	EMP: 171
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Double Attack Rate ★☆☆ ★★☆ ★★★ 3% 5% 6%	Debuff Resistance ★☆☆ ★★☆ ★★★ 5% 8% 10%
☆☆☆	☆☆☆	★★★	☆☆☆	☆☆☆
ATK ★☆☆ ★★☆ ★★★ +500 +800 +1000	DEF ★☆☆ ★★☆ ★★★ 5% 8% 10%	HP ★☆☆ ★★☆ ★★★ 250 500 750	Light ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage ★☆☆ ★★☆ ★★★ 10% 15% 20%
☆☆☆	☆☆☆	★★★	★★★	☆☆☆
Critical Hit ★☆☆ ★★☆ ★★★ 12% chance for 12% more DMG 20% chance for 20% more DMG 25% chance for 25% more DMG	Light ATK Up ★☆☆ ★★☆ ★★★ 5% 8% 10%	Skill Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Charge Attack Damage Cap ★☆☆ ★★☆ ★★★ 5% 8% 10%	Upon using Halo AttunementGain Halo AttunementActivates Erasure Blast upon normal attack / Activates Sweeping Detonation upon charge attack / Charge attack activates twice (Can't be removed) Duration: Indefinite, Instant ChargeInstantly sets Charge Bar to 100% Unaffected by Charge Bar Gain status effects. No effect when afflicted with Shorted debuffs or when Charge Bar is above 100%., and UnchallengedNext DMG received will be ineffective Duration: 1 turn . Set HP to 50% of max HP. (From 2nd cast onwards: End cooldown for caster's other skills. Can use each damage skill up to one extra time this turn.): Gain DA UpDouble attack rate is boosted Duration: 3 turns and TA UpTriple attack rate is boosted Duration: 3 turns.
☆☆☆	★★★	★★★	★★★	☆☆☆
Last update: 2025-02-20

Kamigame's recommended EMP build for Cosmos.

Resources

• Reddit Character Discussion (2023-08-28)
• Reddit Character Discussion (2024-04-06)
• Reddit Character Discussion (2025-03-02)