Symbiotic relationship

Symbiotic Being. An ooze that takes the form of a big muscular being that can be at most two of the colors of the users choice, but can change to other objects on your body according to its will. The Symbiote is sentient. 

Symbiotes stats are:

WIS: 18 

INT: 20

CHA: 19

The affects of the symbiotic relationship gives you blind sense and darkvision up to 120ft. You are vulnerable to fire and thunder damage. Their natural survival ability allows you to have advantage on survival rolls.