"It's activated natural energy too?"
Tobirama compared the figures in the reports. The three sets of data were astonishingly similar.
One was the tissue Cells data from the monsters Naruto had brought back during his earlier mission.
One was the Cells data from Urashiki Otsutsuki's remains, which continued to exhibit abnormalities even now.
The final set came from the tissue samples he had collected from Madara.
The sages of the sacred lands had confirmed that natural energy was a special power contained within the planet they inhabited.
Even Yin-Yang Release could not absorb this power. In other words, it was a system of power independent of chakra.
But natural energy was not unrelated to chakra. Quite the opposite: chakra was precisely the product of natural energy refined through the God Tree.
The Ōtsutsuki Clan hunted planets throughout the universe. Whenever they found a planet containing life energy, they sent clan members and a God Tree to absorb the planet's energy and produce a God Tree Fruit, which they then devoured to further their own evolution.
Earth had originally followed the same pattern. After Ōtsutsuki Isshiki and Kaguya Ōtsutsuki planted the God Tree and harvested the planet's energy, the power nurtured within Kaguya's body was "chakra."
But Kaguya betrayed the Ōtsutsuki Clan, abandoning its traditional methods and instead passing this power on to her two children.
She also fabricated lies and ruled over a region as a divine maiden, establishing a tribe. Her aim was to use the God Tree's radiation to alter the humans around it and create a White Zetsu army to fight any members of the Ōtsutsuki Clan who might arrive.
This, in turn, caused the humans living around the God Tree to be born with the capacity for chakra.
Natural energy, however, was raw energy that had