When he was 26, Tallum Frost's sister died. She who supported him and practically raised him, grew ill and died in blur of a week. In response, he withdrew. He threw everything into crafting fantasy worlds, not even noticing how he wasted away until he collapsed on his keyboard. Faced with the oblivion of death, he makes a promise: in the next life, he won't run away from his grief. He will build in the present. He will make his sister proud. "Wait seriously? Another chance, in a world with a System?! Mimi, I hope you are watching. Because this time-" "Wait a second..." "Why am I... a Chimera Core?" Follow Tallum Frost as he establishes himself in his new world. As he discovers friendship, Levels up, and steals body parts from other monsters to craft his own body. And he will need every advantage he can gather. Because slumbering at the core of this new world is a destiny he can't even begin to imagine...