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In a RunCores

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Uncommon core

Joker's Grin

Joker's Grin is an Uncommon core, picked for free from a core choice during a run. When a winning line holds a Joker and a class symbol, one unit summoned by the first such line rolls its grade twice and keeps the higher one. It works once per wave, twice with Echo Shell set on it, and not on Fate Stone spins. Both rolls use your current grade odds. With all grade research, at least one of the two rolls is Advanced or better 36% of the time.

Joker's Grin

Rarity

: Uncommon

Use

: 1 unit/wave

Unlock

: Upgrade

Effect

Joker's Grin

Use: 1 unit/wave

On a win with Joker, rolls the rarity of 1 unit twice and keeps the higher result.

Only offered once a unit grade above Normal can appear.

Unlock

Buy the Joker's Grin upgrade for 12 Originite. It needs the Chalice of Greed upgrade and Open Forest cleared on Normal.

Works with

Core choice odds

Share of its rarity among the cores offered, by core choice

Choice 1

: 18%

Choice 2

: 21%

Choice 3

: 24%

Choice 4

: 28%

Choice 5

: 31%

Choice 6

: 33%

Choice 7

: 34%

Choice 8+

: 35%

Same rarity

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