Has advantage on creatures grappled by it.
Triple Attack: Can make a bite and two swipe attacks. Or a bite attack and a grab.
Bite: (+5) 3d6+2 Piercing Damage
Swipe: (+5) 1d6+2 Bludgeoning Damage
Grab attack: STR DC of 14 or grappled by the Mimic.
Consuming attack: DEX DC 14 or the creature is trapped in the mimic's mouth and starts to be consumed. Per turn it is being consumed the creature suffers 1d6 piercing damage. Creature can repeat the saving throw each turn.