Shard of Apocalypse

Tier II · Rupture · Mirror Dungeon 5

Affinity: Glut.
Shop price: 200

Base

If the target has less than 15 Rupture Potency, inflict 1 additional Potency when inflicting Rupture Potency

How to get it in the Mirror Dungeon

From these events

Doomsday Calendar

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