Abysschest

Overview

Abysschest: Undead · Defense MonMon in MonMon Masters, overall tier D (#248 of 283). Strongest in Tamers League (C), weakest in Field (D). Best dungeons: Green Crystal Island(C), Blue Crystal Island(C). Abilities: Crit DMG. Updated Nov 4, 2026

Found only in the deep sea or in the darkness of caves. Once opened, a black hole forms that swallows everything around it, and as for where whatever is sucked in actually ends up — that no one can say.

How to obtain

• Hatch from a MonMon Egg

Abilities

Ratings

Rank is out of 283 MonMon.

By dungeon

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Skills

BiteBasic Attack

Deals damage to the nearest enemy.

Slimy CoatingSkill

Moves to the nearest enemy and deals damage to the target.
Once every 5 turns Has a 60% chance to inflict [Crit DMG -15%] on the damaged enemy for 2 turns.

• Lv.4 Moves to the nearest enemy and deals damage to the target.
  Once every 4 turns Has a 75% chance to inflict [Crit DMG -15%] on the damaged enemy for 2 turns.

Tribe AdvantageElement Passive

Damage dealt to [Ghost] tribe is increased by 35%.

Stats & Build

Sets: the sets we recommend for this MonMon. Stat priority: which stats matter, most important first. Whether to take the flat or % version is up to you. In Club Raid every MonMon is a damage dealer: build crit and its damage stat.