"Tanjiro's Father had already reincarnated."
Looking at the resurrected Tanjiro's Mother and his younger siblings, with only his father missing, Hawking guessed that because his father had died earlier, and of natural illness, he had most likely already reincarnated.
Only that would explain why he could not be resurrected.
"Let's leave it at that for now."
After storing Tanjiro's family in the Ancestor Space, Hawking vanished again with Shunpo.
This time, he arrived above a somewhat bustling city and swiftly locked onto a large villa within it.
His mental power swept through the villa, and in the study with its curtains drawn, he saw a little boy whose body contained the same dark energy as Upper Moon Three Akaza.
However, compared to Akaza, the energy within this little boy was far purer and vastly more powerful.
"This should be Progenitor of Demons Muzan Kibutsuji."
His mental power could instantly envelop the entire planet, so finding Muzan Kibutsuji was naturally no trouble at all.
As long as he located living beings with energy identical to Akaza's, they were definitely demons. Then, among them, the one with the most immense energy had to be Muzan Kibutsuji.
Originally, he had not been interested in the demons of this world. But after giving it some thought, this was still a new kind of energy.
He could extract a bit of its essence, transform it into neutral energy like that inside Nezuko—retaining all a demon's abilities while overcoming all a demon's weaknesses—then integrate it into his own power structure to form a new energy planet.
It would add another new trait to his Supreme Power.
If he wanted to grant the ordinary Oleg and Elena immortality and power in the future, he would only need to give them some of his blood.
So before leaving,