Both of the High Gods wanted to settle the score with Li Qiye, albeit with different goals.

Southern Sun simply wanted to regain his lost reputation from having a divine intent crushed publicly by a junior. Because he was still alive, this would result in a big blow to his prestige if he were to ignore it.

Of course, avenging the dead Li Tianhao was a matter of convenience. This was only a minor issue. Even though he liked Tianhao, a High God like him had too many descendants to count, several hundred, if not a thousand. [1]

Even if Tianhao was his favorite, he wouldn’t necessarily come into being just for revenge. Though the probability for a Heavenly Execution to appear was much lower...