Grahnato is a Frost Elf and possesses the typical traits of one. He appears ageless, neither young nor old as a result to possessing the knowledge of the Shadow Sentinel. Though he knows many things, some from outside the order criticize him for lacking conviction. Grahnato strictly maintains his own neutrality, taking courses of actions only when he deems necessary.
It is said that Grahnato descended from a great hero that lead an army against a nigh-unstoppable force in the previous world. This hero sacrificed his own body to be able to pass down his knowledge long after that previous world perished. Thus, the manifestation of this knowledge is known as the Shadow Sentinel.
Grahnato inherited the knowledge of the Shadow Sentinel after proving his worth as the leader for his organization.