A sea of fire swirled through the Redwood Forest.
Gu Shen wildly absorbed the source essence spilling out after the Humanoid Black Hole shattered.
"The Second Domain of Blazing Fire probably requires more than twice as much source essence as the First Domain."
The hardest thing in the world was going from zero to one.
The birth of the Second Domain merely required more source essence than the Fire of Life, so its true difficulty of cultivation was not as high as before.
Gu Shen's "source essence absorption speed" was now countless times greater than before his breakthrough.
As for the scale of his Mental Sea, it had expanded to ten times its previous size.
Using the transcendents from the Restart Mission as a reference—
Back then, the Mental Seas of Zhong Yuan and Fisher, whom Gu Shen had needed to look up to, had been roughly the size of a "large lake."
Now that Gu Shen had completed his advancement, his mental strength was equivalent to that of ten Fishers from back then.
This was a true Mental Sea.
For the disaster missions that followed, Gu Shen still gave Chen Li opportunities to "train." However, he would also take action himself and absorb the black hole source essence that Chen Li could not handle. There were simply too many black spots across the Five Continents now. With their current manpower, they could never clear them all.
Seven days later, Gu Shen returned to Nagano.
Little Iron Man had been worked to the point of collapse and fell asleep directly in the dojo.
Xie Zheng clicked his tongue when he saw this.
He knew that Chen Li and Gu Shen had an excellent relationship. During the years Chen Li had remained in Nagano, his presence could be seen in most