The Green Cauldron was an Immortal Artifact. However damaged it might be, an Immortal Artifact was still an Immortal Artifact, superior in rank to every mortal weapon. Only Heavenly Emperor Weapons such as the Void Immortal Mirror, the Devouring Heaven Demonic Jar, the God Emperor's Immortal Robe, or the Chaotic Green Lotus could contend with it. The Teng Snake Race's Ancestral Artifacts clearly did not qualify.
As for the Fuxi Dragon Stele, it grew stronger against stronger opponents. It currently displayed only the power of an Emperor Weapon because that was as far as Lin Xian could unseal it.
Rumble!
A Dragon Roar Dao Chant rang out. The Fuxi Dragon Stele blazed with immortal light and auspicious radiance, like a newborn immortal sun. It was as though an ancient Heavenly Sovereign had descended, breathing in the dark and yellow essences of heaven and earth and opening up a primordial universe.
Whoosh!
The Green Cauldron surged with power as Divine Baby began exerting himself. Dazzling Immortal Dao Laws swept across the universe, making the spirits of the Quasi-Emperor Artifacts tremble. They were one step away from kowtowing and begging for mercy.
"Throughout the Nine Heavens and Ten Earths, Only I Am Supreme!"
Divine Baby wore a solemn, majestic expression, divine light flickering in his eyes. He sat within the cauldron like a Heavenly Emperor enthroned in the Palace of Soaring Clouds. The Immortal-Ascension Cauldron trembled, pouring down ten thousand streams of immortal light like galaxies flowing backward, transforming into Order Divine Chains.
The combined attack of the Immortal-Ascension Cauldron and the Fuxi Dragon Stele nearly shattered this region of heaven. One of the Teng Snake Quasi-Emperor swords burst apart outright, scattering through the universe in a shower of metallic light.
"This is bad!"
Quasi-Emperor Teng Snake was terrified. The power of