Isumi Saginomiya has many different types of skills at her disposal. They are mostly used for battle, exorcism, and many more uses.
Hachiyou Rokushiki - Grand ExplosionA technique wherein she creates a powerful explosion by channeling her energies from her fingertips. Isumi used it against the minions of the Carp Herpes in chapter 71 of the manga.
Eight Leaves - Kamitsumaki Seven Divine Generations
Eight Leaves - Takemikazuchi
This technique was also used against King Midas who had possessed Athena. It uses an amazing array of electric shock powers, as Takemikazuchi is named after the Thunder God in Ancient Japan.
Law of Forced Transposition
This technique was also used the same day as the previous two. This technique works on the same prinicples as teleportation or instant movement taking whoever the caster wishes to a designated spot. Isumi used this technique so she, Hayate and Sakuya could escape from King Midas. They arrived in the middle of an ocean in Greece on the account of Isumi's remaining power.