Unableleavecan't Break Free

Slow to heat up in the early stage, not invincible, no system Undertale: The fan fiction that undertale drew from was slow to gain popularity in the early stage Before the "nothingness", the soul did not break free from its shackles, but after the "nothingness", the body tore its own "soul" free? Is the "body" still alive? Why not give it a try?