Ooze nature. An ooze does not require sleep.

Amorphous. The Zooze can move through a space as narrow as 1 inch without squeezing.

Shape-Change

For one bonus action this creature can take the form of any Beast that has a challenge rating of 4 or lower. This has a cool down of 2 turns. While it is in this form it is indistinguishable from other creatures it is intimidating.

Impostor

This creature makes a melee or ranged attack that the Beast it has imposed can use.

Pseudopod. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (5d6 + 3) [bludgeoning] damage. Plus 3d6 + 6 [Acid] damage.