There are completed fan fictions: [Fights Break Sphere] and [Versatile Mage].

What if Douluo Tang San was not possessed by Tang Clan’s Tang San, but was a local?

If Tang Hao had not left the Haotian Sect.

What if Tang San’s mother was not a soul beast but a killing messenger in the Slaughter City?

Same body but different soul, different growing environment, different mother, standing in different standpoints, meeting those same people, is it joy or sorrow?