On the stone murals, after the scene of Poseidon defeating the Mermaid people, only two murals remained.
One depicted how, after the war, Poseidon, who had drunk the most wine, gained an immensely terrifying power, but his body seemed unable to bear it.
Poseidon's body underwent enormous mutations, and he often became delirious.
Poseidon could only make offerings to that generous "god" once more and ask for a solution.
The "god" told him that their souls were too weak, which was why they could not control their strengthened bodies.
Under the "god's" guidance, Poseidon built a special tomb beneath the underwater ruins.
As long as one slept within the tomb, the soul would gradually grow stronger.
After sleeping in the tomb for a thousand years, even the warriors who had died would come back to life.
Poseidon and the warriors of Atlantis slept within this tomb together, hoping that one day in the future, they would all return to life.
"Looks like Poseidon and the Atlantis warriors didn't revive normally..."
"Poseidon should have been a Wizard from fifteen hundred to two thousand years ago. A millennium has already passed."
"Still... if turning into mutated monsters that have lost most of their sanity counts as revival, then those Atlantis warriors who died in battle really did revive."
The final mural on the stone wall described how the "god" bestowed upon Poseidon a secret technique that allowed the soul to leave the body.
Before going into slumber, Poseidon used the secret technique to separate his soul from his body and stored his soul inside a box.
"There's no more information."
Matthew came before the altar in the center of the stone chamber. According to the final mural, Poseidon's body and the box containing his soul should have been here.
"This altar... has