After absorbing the full tailed beast power of the Nine Tailed Beasts, the Demonic Statue of the Outer Path transformed almost instantly.
Its appearance rapidly shifted into its perfect form. Its body grew tall and muscular, with almost humanlike arms and legs. This was also known as the fourth stage before the God Tree.
This was the Ten-Tails' perfect form, reaching over a thousand meters in size. One more transformation would bring it to its final form, the God Tree.
The Ten-Tails did not need to slowly accumulate power and change forms because Bai Ye had given it the full tailed beast power.
Just like the Ten-Tails Madara Uchiha had summoned when he became the Ten-Tails Jinchuriki, it transformed from the Demonic Statue of the Outer Path into the perfect-form Ten-Tails in an instant.
As for its final form, the God Tree, Bai Ye had no use for it.
[Ding! Host has successfully restored the Demonic Statue of the Outer Path to the Ten-Tails. Reward obtained: 200 points!] [Ding! Host has redeemed "Physique ×630." Deducted "Points ×630." Current points remaining: 400!] [Ding! Host has redeemed "Hashirama cells ×40." Deducted "Points ×400." Current points remaining: 0!] [Physique +630] [Hashirama cells +40] [Physique: 1808] [Hashirama cells: 100]
While the Ten-Tails completed its evolution, Bai Ye was also preparing to become the Ten-Tails Jinchuriki.
Although his Rinnegan belonged to Madara Uchiha, the system's help made them so compatible with him that they felt like his own eyes. The same had been true of his Dual Kamui from the beginning.
In theory, then, he should be able to succeed as smoothly as Madara Uchiha, rather than struggle the way Obito had when becoming the Ten-Tails Jinchuriki.
Still, to minimize the risk of anything going wrong, Bai Ye raised his stats as much