Asteroid mimic

Shapechanger. The mimic can use its action to polymorph into an object or back into its true, amorphous form. Its statistics are the same in each form. Any equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies.

Consume Melee Weapon Attack: The mimic starts tearing the flesh off anything it's grappled on.

False Appearance (Object Form Only). While the mimic remains motionless, it is indistinguishable from an ordinary object.

Grappler. The mimic has advantage on attack rolls against any creature grappled by it, if 3 asteroid mimics are grappled onto you, you gain a speed debuff.

Pseudopod. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) bludgeoning damage. If the mimic is in object form, the target is subjected to its Adhesive trait.

Bite. Melee Weapon Attack: [roll d12, if 8 or above do double the damage, roll a d20 for damage]

if ripped apart, will be dead

if some of its asteroid shell is cracked off, itll try to roll away (Aka flee), roll a speed check for the asteroid mimic (must be a d12 die, if 10 or above, the asteroid mimic flees)