Demon God. (Fairy Tail and PJO crossover)

He killed his brother, but was concealed away to another land. He gains powers and finds his long lost "thought to be dead" Mother who looked like a... 8 year old? Now at a camp where there hero is shunned, will Natsu change them, and saved them or will his demon take it all.

Percy x Natsu Flame/seaweed brain perfect for every word.