Brother and Sister Torn Apart

Batu and Bada-Ku brother siblings born from the Mad Prophet Titan. They were inseparable in their early life, but due to Batu being born an incarnation of the Black Burakhan she is forced on a path of grueling training far from her brother. Bada-Ku wouldn't have it any easier as a warrior of the mercenary band of Avalanche, he too is forced down a path of one brutal battle after another. If they survive their trials and tribulations will they even recognize each other?