'This feels really comfortable...' Chihiro thought as the constant gust of warm, mana-rich air continued to blow right into and past him, constantly providing him with much more spiritual energy than he could ever hope the artifacts back at his cultivation garden would produce.
Just by the amount of spiritual energy alone, the core of this factory—even though it was far from running at full power—was better than anything he had ever encountered, including the cultivation pods back in the spiritual realm.
But this place... it was much more than just rich with Qi. By every possible judgment criterion that Chihiro could come up with, his cultivation garden, which he had spent years building, decorating, purifying, and equipping, was... inferior.
Be it the amount of Qi he could absorb, the purity of said Qi, or the density of the spiritual energy that only made it easier to absorb swiftly as opposed to the trace amounts he could get back at his retreat...