Main builds

Increases the Main Skill's DMG and Attack Range. When casting the Main Skill, increases all friendly units' Crit Rate.

When any other friendly unit lands a Crit Hit, reduces the Main Skill's Cooldown, leaves claw marks and inflicts Umbra Mark: Gloom.

When the Main Skill deals DMG, increases targets' Umbra DMG Taken.

When the Main Skill kills a target, increases all friendly units' ATK.

When casting the Main Skill, increases all friendly units' ATK.

After casting the Main Skill, enhances Auto Attacks.

When Cosette inflicts Umbra Mark: Gloom multiple times on the target, leaves claw marks and increases the target's Umbra DMG Taken.

When Cosette uses Auto Attacks, increases all friendly units' ATK.

For every target near Cosette inflicted with Umbra Mark: Gloom, increases her DEF.

After Cosette deals multiple instances of Auto Attack DMG, she gains a shield.

When an ally triggers an Umbra Mark: Gloom, increases their ATK.

Cosette can dodge one more time. When dodging, increases the ATK of a random support Trekker.

Cosette can dodge through barriers. When dodging, increases her ATK SPD.

Increases Ultimate DMG to targets at the center.

When the Ultimate deals DMG, increases the target's Umbra DMG Taken.

When the Ultimate deals DMG, reduces the targets' ATK.