Mimic

Monsters with the ability to set a trap by mimicking treasure chests; they live in places such as towers and caves. In dungeons that adventurers visit, they blend in among the treasure chests and wait patiently for a someone to open it himself. They have magic that can teleport themselves to other locations. They can get information about dungeons that have a lot of traffic, dungeons that have rare treasures etc. and even move from place to place based on that information. Since they may rarely slip into houses or castles, one should never let his guard down even with treasure chests outsid...