Cosette

Updated: 7 October 2026

Cosette (Cosette Cecil) — SSR pilot, role Fighter (Striker).

Talents

Feather Of Tomorrow rank 0–2

Feather Of Tomorrow rank 3–5 (enhanced)

When equipped with Chainsaw, gains 1 stack of Edge Momentum for each 1 tile moved, up to 5 stacks per action. Upon consuming Edge Momentum to trigger active skill Breakthrough, gains Razor Feather and triggers Re-ATK, allowing movement of 2 tiles before attacking. This effect can trigger 1 time per turn.
At the start of battle, gains 5 stacks of Edge Momentum and increases maximum stack limit by +5. For each 50 surplus power, DMG Dealt increases by +1%, up to 20%.

Tips

No build for this pilot yet.

Signature ST

The pilot’s own ST is the first pick. Below are its built-in modules.

Blue Anonymous Bird

Raptor Unit

Crit DMG Mod Raiding Module

Neural Drive

Slots: R red, Y yellow, B blue. An effect turns on when the chip levels in the section add up to the min. points.

Section	Slots	Min. points	Effect
α Alpha	red Ryellow Yblue B	1	Mobile Warfare 2 Upon triggering Re-ATK, allows movement of 2 tiles before attacking.
α Alpha	red Ryellow Yblue B	4	Power Innovation 1 AP Regen +1.
α Alpha	red Ryellow Yblue B	7	AP Optimization 1 Initial AP +1.
β Beta	red Ryellow Yyellow Y	1	Mobile Warfare 3 Destroying the target can trigger Re-Act, allowing action with full movement distance.
β Beta	red Ryellow Yyellow Y	4	Power Innovation 2 When breaking a part, restore 1 AP after combat, effective up to 1 time per turn.
β Beta	red Ryellow Yyellow Y	7	AP Optimization 2 AP Cap +1.
γ1 Gamma	red Ryellow Yblue B	1	Alacrity 1 During an Active Attack with a Melee Weapon, there is a 20% chance to trigger Flurry Strike following the enemy's attack, dealing 0.5x DMG.
γ1 Gamma	red Ryellow Yblue B	4	AP Optimization 3 AP Cap +1.
γ1 Gamma	red Ryellow Yblue B	7	Mobile Warfare 4 Re-ATK or Re-Act's effective times per turn +1.
γ1 Gamma	red Ryellow Yblue B	10	Alacrity 2 Before an Active Attack, the probability of triggering Flurry Strike increases by 6% for each 1 tile moved, up to 30%.
γ1 Gamma	red Ryellow Yblue B	13	Alacrity 3 Flurry Strike damage multiplier is increased to 0.75.
γ1 Gamma	red Ryellow Yblue B	16	Alacrity 4 When triggering Flurry Strike, prioritize hitting the part with the lowest HP.
γ2 Gamma	red Ryellow Yyellow Y	1	Heir Of Danube 1 Maximum Edge Momentum stacks gain per action increases to 8. Talent Re-ATK effect is upgraded to Re-Act.
γ2 Gamma	red Ryellow Yyellow Y	4	AP Optimization 4 AP Cap +1.
γ2 Gamma	red Ryellow Yyellow Y	7	Power Innovation 3 When destroying a target, additionally restores 1 AP after combat. Can trigger up to 2 times per turn.
γ2 Gamma	red Ryellow Yyellow Y	10	Heir Of Danube 2 When actively attacking, if the target has no destroyed parts, ignores 25% target's Armor and Critical Hit chance increases by 10%.
γ2 Gamma	red Ryellow Yyellow Y	13	Heir Of Danube 3 Chainsaw Final DMG Dealt increases by 10%. When possessing 3 or more stacks of Razor Feather, Chainsaw Final DMG Dealt additionally increases by 15%.
γ2 Gamma	red Ryellow Yyellow Y	16	Heir Of Danube 4 When possessing 5 or more stacks of Edge Momentum, if AP is insufficient to cast any skill, can consume 5 stacks of Edge Momentum to pay for 1 AP cost. This effect can trigger 2 times per turn.

Biocomputer

#	Skill	Effect
0	Mobile Warfare 1	After breaking a part, Re-ATK can be triggered. Unable to move before the attack, and this can be effective up to 2 times per turn.
1	Whirling Sweep
5	Azure Blitz
7	Raging Tide
9	Radiant Cleave
13	Sharpened Momentum	When actively attacking with Chainsaw, gains 1 stack of Edge Momentum. This effect can trigger 2 times per turn.
21	Mercenary Tempo	If Edge Momentum is at 6 stacks or more after an action, gains 1 AP. This effect can trigger 1 time per turn.
31	Rending Chain	When actively attacking, if Edge Momentum is at 8 stacks or more, inflicts Laceration to the primary target hit.
3	Tactical Compensation	After consuming Edge Momentum to trigger Breakthrough, Edge Momentum will not be reduced at the end of turn.

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