Kraven's life had been a hell since he was born when he was born his mother did not survive which caused him to face the rage of his father who locked him away as a punching bag for his other kids. Eventually Kraven's father got sick of him and sold him into slavery but unfortunately for his father Kraven was purchased by the one of the 12 most powerful sects in the world and so began his path to revenge. No system, No Reincarnation and No Isekai just pure talent