Spring gave way to autumn, and in the blink of an eye, ten years had passed.
Huang Tian's seclusion this time lasted ten years. After a decade of effort, he had comprehended the Purification Technique to the point where it could purify all things fifty thousandfold. Even he was astonished by such a terrifying improvement.
However, according to the records of the Purification Technique, a perfect-level Purification Technique could purify things infinitely. What did his current fifty-thousandfold purification even amount to?
Huang Tian teleported out of the immortal residence and arrived a hundred thousand li away. He summoned the Huang Tian Seal from his Dantian and watched it float in the air.
Ever since Huang Tian had raised its grade to that of a Low-Grade Innate Spirit Treasure, he had kept it in his Dantian, nourishing it with Immortal Essence Power purified five hundredfold. Twenty years had now passed, and the Huang Tian Seal was brimming with spiritual light and spiritual charm. Judging by its condition, it seemed likely to advance.
"Not bad." Huang Tian rarely offered praise. Forming a hand seal, he produced a gray flame from his fingertip. With a flick of his finger, he sent the gray flame into the Huang Tian Seal.
"Wow, Master, you're raising my grade again! I'm so happy! But can I change my appearance? I don't want to be a brick forever." Seeing that her master was going to upgrade her again, the Huang Tian Seal's artifact spirit cheered excitedly.
"What shape do you want to change into?" Huang Tian asked in confusion.
"A treasure tower. I want to take the form of a treasure tower or something like that. Is that okay?"
"Sure. I'll reshape you right away." Huang Tian agreed without a second thought upon hearing the Huang Tian Seal