Since the days of Advanced Dungeons and Dragons, the mimic has been one of the dirtiest tricks a dungeon master can pull on incautious players: a “door” or (usually) “treasure chest” that turns out to be a carnivorous monster. How on earth could such a thing evolve? At some point in prehistory, the mimic’s ancestors must have disguised themselves as natural objects, using octopus-like camouflage, only later adopting the forms of manmade objects after exposure to humanoid beings. This suggests a unique, specialized intelligence, akin to the ability of parrots and certain other birds to mimic speech . . . but one that’s used to lure and capture prey.
With strong physical ability scores across the board but especially high Strength and Constitution, the mimic is a “brute” creature adapted to close-range fighting. Yet it also has high proficiency in Stealth, along with darkvision: this is an ambush predator as much at home underground as aboveground. It has a sticky surface with which to ensnare its prey and advantage on attacks against any creature it’s caught this way.
The mimic’s particular combination of features is so calculated, there’s really only one way for it to behave: (more…)