Lets try to make a list of her abilities before going further:
*Charming: She can heavily influence the psyche of the people in her proximity, usually manifesting in strong attraction or jealousy towards her and up to manias and insanity.
*Immortality: A pure Tomie doesnt ages naturally beyond her prime, however Tomies who have been created by the infection of another women do age like a normal person.
*Regeneration: She can regenerate her whole body seemingly from any part of her body down to a single drop of blood. This leads up to the creation of replicas. Shecan accelerate this regeneration by consuming the flesh of people.
*Radiotrophy: She is immune to ionizing radiation and is empowered by it, she can also accelerate her regeneration through these means.
*Infection: Young girls whose organism is exposed to part of Tomie will be infected by it and gradually become Tomies themselves. She can also manifest mentally to people who are exposed to her tissue.
*Misc. Weird Shit: In the final story shes able to escape imprisonment through a small crack, theres probably other stuff Im missing.
*Spontaneous Mutations: Tomie begins replicating herself out of control from within her own body when expossed to great emotional stress.
*Fire: Its seemingly the only thing that kills her for good.
*Unportrayable: Every time someone or something tries to depict her beauty it comes out fucked up, with deformities, aberrations and extra limbs.
*Charm Immunity: There are certain people who have been shown to be completely immune to her mental influence.
*Personality: Shes vain, shallow, petty and needlessly cruel, this often works in her favor due to her abilities but not always.
Something I missed?