Their wisdom came from spiritual energy. In essence, they didn't possess enough intelligence of their own. If the spiritual energy disappeared, whether they could even maintain their forms of existence—never mind their intelligence—would be a problem.
After arriving in this world, the Wish-Granting Pot had been drawn to the original owner of this body. When it learned what the child wished for, Uchiha Brahman felt pity for him and decided to grant the poor child's wish.
It was a great, idealistic wish—one that, in theory, the child could never fulfill in his entire life.
That wish was to sever the link between Heaven and Earth!
He wanted the gods to never again interfere in this world. He wanted all demons and monsters to vanish from the mortal realm, so that humanity would never again be controlled by the gods or lose its lives to demons and monsters.
Humanity must stand strong!
Look at that—what a great, idealistic, noble wish!
After learning what the child wished for, Uchiha Brahman was deeply moved. He decided to help the poor child fulfill his wish: to stop the gods from interfering in this world and make all demons and monsters disappear for good!
He would free all living beings from the hands of the false gods of Heaven and Earth.
This world was dark and terrifying.
The false gods of Heaven and Earth controlled everything: rain, thunder, the harvest, disease. Everything was in their hands. Ordinary people like them had to honor Heaven and Earth, offer sacrifices to all kinds of gods, and pray for divine protection.
They also couldn't show disrespect to the gods. If they angered them, all sorts of disasters would descend.
For instance, there had once been a local official who kicked over an offering meant for the Lord