Aboleth Mucous. The Proto-Skum can breathe only underwater. Aboleth Tentacle. When the Proto-Skum is outside a body of water, it takes 6 (1d12) acid damage every 10 minutes unless moisture is applied to the skin before 10 minutes have passed. Abolethic Vassal. The Proto-Skum is permanently charmed by its aboleth master.
Club. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 2 (1d4) bludgeoning damage.