"Ding! Congratulations, host, on successfully capturing and housing your second Summoned Beast. The Summoning Hall has reached level 2." "The Level 2 Summoning Hall's territory has doubled in size. The daily energy provided by each Summoned Beast has increased by ten percent. The Summoned Beast cultivation feature has also been unlocked."
Hearing the system notification, Yechen was startled. Everything else was easy enough to understand, but what the hell was this Tailed Beast cultivation feature?
Summoned Beast cultivation overview: Once housed in the Summoning Hall, a Summoned Beast is no longer limited by its original energy form. It can absorb Heaven and Earth Spiritual Energy to evolve. Cultivation method: deep sleep.
Huh?!
Yechen's jaw dropped. Wasn't deep sleep just sleeping?!
Tailed Beasts cultivated by sleeping? Could this get any more ridiculous?!
Turning to look at Four-Tails, Yechen could clearly sense the change in his energy. He had roughly Kage Level power, yet the system classified him as a level 1 Summoned Beast.
This Kage Level energy wasn't the same as Kage Level in the Shinobi World. It was on Yechen's scale, which meant it was equivalent to ten times the energy of other Kage Level fighters.
Although that was already astonishing, it still reduced their power. Clearly, this was how the system had configured things.
Still, they could now absorb energy through sleep and advance. That wasn't bad. At least there was no upper limit to their energy, so they possessed a certain talent known as potential.
"Little Four." Yechen smiled and flashed onto Four-Tails' shoulder.
Four-Tails was startled at first, then smoke poured from all seven openings in his head. Clearly, being called Little Four had infuriated him.
"What? Got a problem?"
Yechen's voice came from beside his ear. Four-Tails froze, and the anger that