Demon Guard of the Goddess

Zhao Chen was reborn in another world, but he became the guard of a goddess who was sealed and died. It sounded nice to be a guard, but in fact he was a slave who signed a soul contract. The goddess told Zhao Chen to find her artifacts scattered around the world to unlock the seal. Zhao Chen was forced to embark on a journey to follow the goddess, but he always wanted to get rid of his bondage. ... The goddess he protects, all kinds of strange artifacts, all kinds of demons, the powerful goblin civilization turned into ruins, mutated artifacts..., All of this seems to be revealing a shocking secret to Zhao Chen! When Zhao Chen discovers that his demon warlock bloodline can break free from this shackles, will he continue to follow the goddess Alice to find her? How did he choose between demons and gods? What is the final secret...