The ability to
inflict a massive and irreparable amount of damage to the soul of a victim. Sub-power of Soul Manipulation. Not to be confused with Soul Destruction.
The user can inflict an enormous level of agonizing damage to the soul of an opponent which not only damages the spiritual being of a opponent, but their physical form as well. The damage this ability deals out to the soul is permanent and may kill another living being with, potentially destroying the victims soul in the process.
Akuma's (Street Fighter)
Raging Demon technique attacks the victim's soul directly, effectively guaranteeing death.
Voldemort (Harry Potter) mutilated his soul by committing murder and creating Horcruxes, and after leaving it unchecked, this is the final consequence.
Ghost Rider (Marvel Comics) can mutilate a soul with Penance Stare.
Hiruzen Sarutobi (Naruto) tried to remove Orochimaru's soul, but only succeeded in severing that of his arms, causing necrosis on the corresponding area.
Poison (Valkyrie Crusade) manipulates a poison so powerful that it can damage souls.
Hakuryuu (Magi the Labyrinth of Magic) can sever souls from the living with Metal Vessel Belial...
and by striking specific parts of the body, he can completely cut off the spiritual connection of the corresponding part to the soul, leaving it to eventually rot and decay.
Lucifer (Supernatural) had tortured and mutilated Sam's soul to such an extent that he slowly became insane and nearly died. He also mutilated Lilith's soul until she
the very first demon.