Fantasy: I Started as a Human Sandbag

Traveling through a fantasy world, he turned out to be a human punchbag, thinking that he would live such a miserable life. How could he ever dream of having a chance encounter, practicing magical skills, and becoming an immortal little strongman who could not be killed no matter what? With his abnormal unique ability, he finally became the supreme being. The words "I am the only one in heaven and on earth" resounded throughout the earth. Who dares to disobey? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.