As time passed, the chakra sphere surrounding Shin Uchiha grew smaller and smaller, signaling that his bloodline fusion was nearing its end.
Gradually, the chakra sphere contracted from its original five meters to four, then three, then two, and Shin Uchiha's figure slowly emerged.
But as the sky-blue chakra sphere shrank, a green glow slowly began to shine from Shin Uchiha's body.
As that green glow brightened, it completely obscured the color of the chakra sphere surrounding Shin Uchiha.
The green light radiating from Shin Uchiha's body grew brighter and brighter.
With the appearance of that green glow, the house Shin Uchiha had built using Wood Release seemed to come alive.
Wherever the green light fell, tender shoots sprouted and rapidly grew beneath its radiance, as though someone were using Wood Release to hasten their growth.
After an unknown amount of time, Shin Uchiha finally woke up. When he opened his eyes, he found vines growing all around the secret chamber, nearly filling it.
Shin Uchiha was not surprised by the sight. He knew it was caused by a small amount of his immense vitality leaking out.
Rather than hurry out of the space, Shin Uchiha left the secret chamber and went straight to the mountaintop to test his new body and see what had changed.
For a time, rumbling echoed across the island, accompanied by the creaking of rapidly growing trees.
After spending a long time putting his body through its paces on the island, Shin Uchiha finally finished his tests.
What he knew so far was that fusing with the Uzumaki Clan's bloodline and constitution had brought a qualitative improvement to both his vitality and his chakra.
Since Shin Uchiha's chakra reserves had already been astonishing, fusing with the Uzumaki Clan's bloodline had only tripled them.
His vitality,