The body keeps the score

cw body horror

With a few moments' examination, you can...

(1 Secret) ...tell the provenance of any wound or scar
(2 Secrets) ...determine the cause of any overt symptom
(4 Secrets) ...detect any affliction, even those that give no outward sign
(8 Secrets) ...enumerate every disease, poison, or injury the subject has ever suffered

Secrets of Flesh

Increase your strength and resilience to [SUM] times normal. Every heartbeat, you suffer as if you had starved for [DICE] days.
You can safely store or retrieve up to [HIGHEST] handfuls of material inside the body of a willing or helpless living being you touch. More than six inside a human-sized creature causes problems; a horse could hold twice that.
Detach a body part. For [SUM] hours, it continues to function based on the last instruction it received (an eye looks, a hand grabs), then it goes dormant until you reattach it. If left alone too long a part will starve.
Sculpt your face into a new shape, limited by your skill and the tools to hand. Lasts for [SUM] hours, after which your face sags like dough for [DICE] days.
One poison or disease affecting you is...

With you assisting in a medical procedure, the probability of success improves by [SUM]x10 percent. Your methods are bloody, off putting, and wholly unorthodox.
Move wounds through living flesh (including from one creature to another) as through...

Injuries, poisons, and diseases affecting up to [DICE] living beings you touch are suppressed. You suffer their combined effects, diminished [SUM]-fold.
Enjoy [SUM] weeks' worth of natural healing in as many heartbeats. [DICE]-in-6 chance of unwanted scarring or mutation.
Regrow a severed appendage over the course of (7 - [HIGHEST]) days. You can choose the form of the replacement, although it must be biologically feasible.
Move [SUM] years of age between two living creatures, a process which requires [DICE] hours of uninterrupted contact.
Open your body like a mouth and envelop a living creature. If the target has exposed skin, [DICE]-in-6 chance that you absorb their flesh into yours, killing them instantly and granting you [HIGHEST]-in-6 of their skills and/or Secrets. You can excrete the extra bulk or use it to fuel your vitality.

Spines, horns, and bony protrusions sprout scattered across your body.
Your unnatural bulk is unmistakeable.
Your voice grows wet and guttural.
Silent screaming faces press against your skin from the inside.
Blood seeps from your pores, leaving a trail behind you and crimson marks on anything you touch.
Fused joints loudly break and heal with every move you make.

Rumors of your deliciousness spread among the flesh-eaters. The rumors are true.
You shed feral tumors that hunger for human meat.
Your own vigor betrays you. Rapid growth of bone, fat, and muscle, enough to crush you under your own weight before the moon is out. Escape this doom by consuming the flesh of a god--a minor one will do. Afterward, your wayward tumors mature into loyal servants.