Stella Sora Cosette

The enigmatic Umbra support character from Stella Sora, Cosette brings darkness and mystery to the battlefield. With her steel claws and shadowy abilities, she's a force to be reckoned with.

4★ Character Umbra Element Support Class
Stella Sora Cosette character art

Stella Sora Cosette Character Stats and Abilities

Character Statistics

ATK 5495
HP 74704
DEF 190

Basic Information

Name

Cosette

Element

Umbra

Class

Support

Attack Type

Melee

Birthday

May 2nd

Weapon

Steel Claw

Cosette Skills and Combat Guide

Abyssal Swipe

Normal Attack

Lashes out with both claws, dealing multiple instances of DMG.

Nocturn Hooks

Main Skill • 12s CD

Attacks with hook punches that deal multiple instances of DMG and inflicts Umbra Mark: Gloom.

Abyssal Hunter

Support Skill • 12s CD

Deals multiple instances of AoE DMG and inflicts Umbra Mark: Gloom.

Dark Apocalypse

Ultimate • 30s CD

Pulls enemies in constantly, dealing AoE DMG and inflicting Umbra Mark: Gloom.

Cosette Ultimate Skill Showcase

Cosette Talents and Character Progression

Blasphemous Moon

Enhances Cosette's Umbra abilities during night phases or in dark environments.

Extinctive Downpour

Increases damage output against enemies affected by multiple debuffs.

Cloud of Embers

Provides defensive buffs to allies when Cosette uses support skills.

Determined to Leave

Movement and evasion talents that reflect her mysterious nature.

The New Me

Ultimate talent that unlocks Cosette's full potential in combat.

Cosette Lore and Stella Sora Backstory

Character Background

Cosette, the mysterious Nocturn Eterna's Disposer, operates from the shadows of Emor City. With one year of experience and exceptional skills in undercover operations, disguise, and Monolith climbing, she remains an enigma even to her closest allies.

Affiliated with the secretive organization ███, Cosette wields her steel claws with precision, making her a formidable support character in the Stella Sora universe. Her current condition remains "Unknown/A tasty drink," adding to her mysterious persona.

Character Voice Lines

"I'm Cosette, Nocturn Eterna's Disposer. And you are... Wait, Boss? Oops... You weren't supposed to see my face…"
"Underestimating Nocturn Eterna's Disposer can get you hurt."
Cosette in Emor City environment

Stella Sora Cosette Gameplay Tips and Strategies

Optimal Team Compositions

  • Pair with DPS characters who can capitalize on Umbra Mark debuffs
  • Excellent in teams requiring crowd control and enemy grouping
  • Works well with characters who benefit from increased target parameters

Combat Strategy

  • Use Nocturn Hooks to apply Umbra Mark before unleashing combos
  • Save Dark Apocalypse for grouped enemies or emergency situations
  • Utilize her support skills to buff team damage output