Razgriz

: "When history witnesses a great change, Razgriz reveals itself... first, as a dark demon. As a demon, it uses its power to rain death upon the land, and then it dies. However, after a period of slumber, Razgriz returns, this time, as a great hero."
: ― Nexus Aurora the 1st 4 milion years B.C.E 
The Razgriz is a mythical, supernatural creature that supposedly resides in the icy Razgriz Straits somewhere in the Strangereal universe. It is capable of assuming human form and has the ability to manipulate the weather, as well as the lives of mortals.