A Fiery Reunion RWBY and Crossover Massive Harem.

You are the younger brother of Cinder Fall you two had a loving relationship with each other and always stood by each other's side but when Grimm destroy your home and killed your parents you got separated but before making a promise" I will become the strongest even stronger than the queen then I can protect you". You then disappeared for years only to return with the power to destroy the entire world.