Possessing an Ultraman: Nexus Turns into a Beast

[Dark] + [satisfying] + [System] + [Space Beast devouring ability] The protagonist, Li Yun, is reborn from a cultivation world and, just like in his previous life, is given a new System. But his current body is just a soul, and he needs a physical body to survive. After possessing the body of the deceased Nexus, he discovers that it’s in terrible shape. Because Li Yun isn’t a host but Nexus itself, every battle consumes his life force. What can he do? Devouring Space Beasts not only increases his life force, it also lets him gain their abilities. He creates clones to travel to other star systems and slaughter Space Beasts, then merges his cultivation abilities into his Ultraman body. He establishes his own sect in the Land of Light and becomes its sect master, rising to a position on par with the Father of Ultra. Then one day, he suddenly wakes from a dream and discovers that, after devouring too many Space Beasts, his body has actually turned into a monster...