The tomb's collapse

After a few hours, no one except Cain remained alive inside the dome. Diamon and the other cultivators had all been consumed— their Alter-Egos and souls devoured. As for those at the Essence Evolution level, their very Inner Worlds had been assimilated by the World Tree Sapling.

The aftermath of the battle was grim and unnerving, yet Cain could not help but smile radiantly. His body and Sacred Organs were back at peak condition, brimming with renewed energy and might. Even the power of Leviathan, the demonic winged snake, had surged after devouring so many Alter-Egos.

Although none of those devoured had powerful Ego Waves, other than Mera, every single one still possessed a will at the Peak of Divine Transcendence. To Leviathan, each ego devoured was an incredibly nourishing feast. 

With all threats dealt with, Cain finally turned his attention to the grand prize—the true goal of this entire undertaking: treasures.