You possess a corpse, gaining it's Strength, Dexterity, and Constitution scores as well as it's maximum HP and movement speed. You may only possess medium or small humanoids, but not constructs or undead. You do not gain their knowledge, skills, or spells. If your possessed body dies, you are launched behind it 10 feet and are prone. You may possess the same body twice, but dying a second time in the same body without resting will cause your true form to be ejected again, unconscious with 1 hp.

Hardening (Recharge 4-6): You harden yourself, becoming petrified as a Bonus Action or Reaction. You retain your awareness, but you cannot move.

- While hardened, you are immune to all damage dealt by the next attack that hits you. If you are hit while hardened, the effect ends.

- At the start of your turn or when hardening is broken, roll a d6. If you roll a 4 or higher, your hardening may be used again.

- If your hardening comes back while it isn't your turn, you can harden again as a reaction.

- While hardened, attack rolls against you have advantage, and you automatically fail any Strength and Dexterity Saving Throws.

- If you harden your body while falling, you will take no falling damage.

Your true Foundling body uses a d6 for hit dice. Your max health is replaced by the health of your currently possessed shell. Your carrying capacity in your true form is also classified as 2 size categories lower and you are unable to wear armor.

Your true form is repulsive and frightening to most living NPCs. You have twice proficiency with Intimidation while in your true form.

While you are incapable of speech, you can communicate telepathically. You can also feel the emotions of others, and make people feel yours.
You understand languages you learn, but you can only speak them while inhabiting a shell.

When you level up while wearing a shell, your shell gains a level as well. Each time, you gain a glimpse into their past, a single memory determined by the GM.

"A resplendent glimpse, rippling with potential.

Within this glimpse, one sees their on visage staring back bright and clear. Peering deeply, one notices their face is lined with rivers of intertwined light. As one tributary wanes, another swells, ever-shifting, ever flowing."

You cannot speak, but you don't need to eat or sleep either. You gain 80 feet of natural Blindsight and 40 feet of Tremorsense when touching the ground. You also gain any senses your shells have, but only while wearing them.

You have an extra reaction.

Your Dexterity score increases by 2, and your Wisdom score increases by 1.

Your Strength score is decreased by 2.

Your true form is vulnerable to Force and Thunder damage. Your true form and your shells are immune to Poison, being Poisoned, Exhaustion, and Petrification imposed on you by others.

You know Common and Terran.