Two Soul Cage

[Two souls in one body] [Abusive male protagonist] [Grandpa] [No system] My name is Ryder Thorne, a time traveler trapped at the bottom of the supernatural world. They said I was a "zero-talented waste" who could be trampled upon by others. But they don't know that there are two souls living in my body. One is me, a conscious prisoner from the earth; the other is the ancient superpower Jhin who fell a hundred years ago. Every time I was close to death, he would wake up, kill all the enemies with the power of crushing everything, and then leave me alone to bear the cost of tearing my soul. Becoming stronger is tantamount to self-inflicted harm, and counterattacking is torture. Until I discovered that my time travel might not be an accident...