Eldritch Symbiosis

By 3rd level, you have formed a bond with a young spawn of the Great Old Ones - a small, monstrous mass of tentacles known as a th'quib. Infant th'quib are weak creatures on their own, and must live within a host for protection and nutrition.

Your th'quib has fused its body with yours and retreated most of its mass safely below your skin. In exchange for your this security, the th'quib will cooperate with you to the best of its ability. You share a telepathic link with the th'quib that lets you passively sense eachother's thoughts. Through this link, you can will the th'quib to extend its tentacles from your body.

Utilizing your th'quib's tentacles as additional limbs is second nature, letting you make an additional object interaction each turn. Additionally, you now know (and think in) Deep Speech.

Symbiotic Separation As an action, your th'quib can separate from you. It functions as a familiar summoned by the Find Familiar spell. While separated, you cannot use any Monstrous Actions. Your th'quib can use an action to fuse with you again.

If your th'quib reaches 0 Hit Points, it vanishes in black flame. It will reappear within you after your next long rest.