The Impaler of kuoh

First summary. Dracula O'Dyna is a quarter fallen, quarter vampire and half human, that loves spears, he's on a mission for Azazel to watch over the town, he also runs a Sōjutsu club in kuoh, he also love bashing the idiots that prev then for fun, so he doesn't soumd bad, wrong he's insane, how will the devils deal with him? M to be safe