Arathi was a tall muscular man with long light hair and markings on his face. When using the gravekeeper's secret arts, he gains danger beast features such as monstrous hands and nails.
Arathi was a sadistic man, enjoying playing with his opponent. This was noted to be his downfall.
He was one of the gravekeepers who fought the Group of Terror. He had killed a comrade of Kurome's named Barle beforehand with his secret arts. He fights Kurome and her group, but ultimately allowed his playfulness to overcome him and was murdered at the hands of Kurome.
As a member of the Gravekeepers, Arathi could use the Gravekeeper's secret arts which allowed him to transform a part of his body into that of a danger beast.
The secret arts (porcupine skills) allowed him to fire needles from his hair.
- Arathi's name literally translates to "storm". This translation is used as his official name in the English volumes.