The power to have negative supernatural effect placed upon you. Supernatural form of Mutated Physiology.
This power grants the user enhanced/supernatural capabilities like strength, speed and/or the ability to manifest new appendages.
Jūgo (Naruto) in the process of mutating himself via his enzymes.
The crew of the Black Pearl (Pirates of the Caribbean)
Because of the curse of the Dark One, Rumpelstiltskin (Once Upon a Time) has an obvious in-human appearance, along with eternal youth and invulnerability
Ghost ÄRMs (Marchen Awakens Romance) are forbidden ÄRMs that fuse into and curse the user's body.