Nagato and Hashirama had already been fighting for half an hour.
Every single one of their moves was on the level of a map-clearing weapon, and the affected radius was so immense that they completely altered the surrounding terrain and environment.
Fortunately,
both Nagato and Hashirama were essentially good people at heart, so they tacitly left the vicinity of the Rain Village, trying their best not to let the battle actually affect it. Otherwise, the Rain Village would not have survived a single one of their ninjutsu attacks before being leveled.
Hashirama Senju had been reanimated through the Impure World Reincarnation while controlled by Obito, so the sacrificed vessel used for the summoning was not a White Zetsu, but an ordinary jonin. This meant the upper limit of the strength Hashirama Senju could currently display was the summoning of a wooden giant.
Hashirama Senju's chakra at that moment was inferior to Nagato's in terms of sheer volume, but Hashirama made up for this gap with Sage Techniques.
Therefore, Hashirama Senju could only suppress Nagato, unable to truly defeat him.
Both tailed beasts and reanimated bodies possessed infinite chakra, but this infinity did not refer to their volume, but rather to their recovery speed and the amount recovered.
Chakra = spiritual energy + physical energy.
The physical body required nourishment and the spirit needed rest, making it impossible for a person to extract chakra indefinitely.
However, tailed beasts and reanimated bodies were able to break free from this restriction, allowing them to fight endlessly without any concept of exhaustion.
Yet even with such formidable recovery power, under the consumption of attacks that started at the level of map-clearing weapons from Nagato and Hashirama, the two men's chakra finally began to run a bit short.
It was precisely at this moment that