A dark, scaly, lizard-like monster with large glowing yellow eyes emerges from a misty, dark forest.

Make a monster entry for DND 5e Gastrovore Small monstrosity, unaligned Armor Class: 13 (natural armor) Hit Points: 10 (3d6) Speed: 20 ft., climb 20 ft. STR DEX CON INT WIS CHA 8 (-1) 14 (+2) 11 (+0) 2 (-4) 10 (+0) 5 (-3) Condition Immunities: prone Senses: darkvision 60 ft., passive Perception 10 Languages: — Challenge: 1/4 (50 XP) Amorphous. The gastrovore can move through a space as narrow as 1 inch wide without squeezing. Adaptable Hunger. The gastrovore can use its special Adaptation action once per day. It gains a temporary mutation based on the most recent living creature it has consumed. Actions Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 4 (1d4 + 2) piercing damage. Adaptation (Recharge 5–6). When the gastrovore reduces a living creature to 0 hit points by consuming it, it absorbs the creature's essence. The gastrovore undergoes a rapid mutation that lasts for 1 hour. Roll on the following table to determine its new ability. d6 Consumed Creature Type Mutation Effect (Lasts 1 hour) 1 Beast (Small or Medium) The gastrovore sprouts a coat of fur, feathers, or scales. It gains resistance to bludgeoning, slashing, or piercing damage (DM's choice). 2 Humanoid (any size) The gastrovore grows a more intelligent-looking face and becomes slightly more devious. It gains a proficiency bonus of +2 to Deception checks. 3 Elemental or Construct The gastrovore's body hardens into a stony or metallic form. Its AC becomes 16 (natural armor), and it gains See more