When cultivators tame and bond with beast, he do the opposite. Thrown to a mountain range filled with ranked and unranked magical beast, he was left for dead. With serious injuries , he had it together through sheer will. Smelling the blood from his body, a few beast came at him. He could only use his teeth and arms, so that was he used. Deus fought in a beastlike state. He traded injury for injury. Successfully, killing them he came out of his state. Surviving a deathtrap, he created the True Beast Scripture. It mentality was to conquer the beast within, tame the beast within, nourish the beast within. Through it, the person could harness the beast mana and powerful blood essence without backlash. It was complete control. The beast doesn't survive only the person benefits. Also through more danger, he added another character to his technique. From this he rose more prominently and began his true path to supremacy.