Performance Bonus (Perk) - Crab Champions Wiki - Leunsel

Drops

Rarity: Epic
Loot Pool: Luck
Found In: Luck chest
Spawn Weight: 1
Unlock: From the start

Chance to Be Offered

Spiked Chest: 4.14%
Epic Chest: 4.14%
Luck Chest: 1.27%
Random Chest: 0.16%

That it is among the items the chest shows, at the start of a run with everything unlocked.

Open it in the save editor

Effect at Level 1

30% chance to get an extra chest when flawlessly clearing an island

Details

Buff Scaling: Linear
Chance Cap: 100%

Read from the game files of Steam build 20903826, updated 2026-10-24. The same data powers the save editor.