Review Detail of Gouzaburou in Akashic Records of the Bastard Child Engaged to a Goddess

The MC is inspired with heroism and mercy but he also fears killing. He nerfs his own power continuously and willfully remains a weakling. After wasting more than 10 years he decides to power up seriously. Forcing us the readers to watch him struggle with what should have been easy fights. Might as well have died by a powerhouse sneezing to reincarnate and try again,