To Cultivate Immortality, I Will Start as a Killer

Damn, that's just a legend! But I have indeed met them. They are not human beings, they are scythes that control mortal life and death. But I am not willing to give in! I want to escape from the mortal world and enter the immortal world! But for a mortal and a killer, this is simply nonsense. Until that day I met her. She told me to keep walking eastward, crossing the Valley of Despair, passing through the Cannibal Gobi, and drifting across the Heartless Sea... During my pregnancy, I might have a chance...