Impel Down
Inspired by One Piece — Impel Down underwater prison
VERIFIED · 2+ SOURCES
Mechanics & Mode
Underground sections with lava floors and complex terrain traversal. Recommended for experienced players; pairs with Nightmare difficulty grind and Raid Mode multi-phase encounters.
Unlock Condition
Unlocks after clearing Shibuya.
VERIFIED · 2+ SOURCES
Impel Down is the Intermediate-to-Advanced difficulty map, themed after the underwater prison from One Piece. Its lava traversal sections demand more careful movement than Shibuya’s open layout.
Title tie-in: 30 Impel Down clears unlock the Fleet Admiral title (+18% DMG, +40 HP, +10% EXP). See the tier list for the full title cluster.
Sources
As of: