Harsh monster called Elvin is the brother of Rengar, and friend with Kha Zix. Flying monster can rip his enemies and eat them alive. He is big like Volibear, who is his worst enemy. Volibear and Elvin were best friends when they were young, but then Elvin chose his destiny to be cruel and vicious. Elvin is the transformer. He can transform his arms, claws, wings and armor.

As a child, Elvin was good creature who was trained to become warrior. He and Volibear were good friends, and they were training together. When their hard moment of training came, they should fight agains each other. Wild beast in him was raising and he beat Volibear. He could kill Volibear if they didnt stop him. He was thrown from village and sent to the wild. The harsh beast was born in him.

Lore is bad and you should feel bad. Brother of Rengar? Friend of Kha'Zix? Please, stop writing terrible fanfiction, there's a forum for that.