A large-scale auction naturally needed plenty of publicity.
After Yuan Yi and the others left the Black Emperor Sect, they first took stock of the items to be auctioned. Then they sent everything to the Black Emperor Sect, which would handle the publicity and host the auction.
The publicity campaign lasted for several months. During that time, Xiao Lei had been on the Black Domain Great Plain, refining enough pills.
The light inside the medicinal cauldron flickered on and off. Xiao Lei changed the hand seal he was forming and cast the pill-collecting seal. The pills inside the cauldron suddenly shone with seven-colored light, then dimmed abruptly.
This was a seventh-grade, low-level pill—the Seven Illusion Green Spirit Pill!
Its effect was to rapidly restore the spiritual energy consumed by a soul body. Xiao Lei had prepared it for Venerable Tianhuo.
He had also finished refining the Yin Yang Life Soul Pill. It was a seventh-grade, intermediate pill, though Xiao Lei had ruined one batch of ingredients before managing to make it.
Still, this proved that Xiao Lei's pill-refining skills—after he had copied Han Feng's—had reached the seventh-grade intermediate level.
"The Black Seal City Auction is about to begin. I'll end this seclusion here."
Xiao Lei had returned to Twilight City once during his seclusion, to pass Three Thousand Lightning Movement to Xiao Yi Xian through Ya Fei. That was when he had learned about the Black Seal City Auction.
"I gained quite a lot from this seclusion. My pill-refining skills have stabilized at the seventh-grade intermediate level, and I've also made progress with Dou Techniques..."
He mentally reviewed what he had gained and nodded to himself, thoroughly satisfied with his seclusion.
With a large number of copied Dou Techniques as his foundation, Xiao Lei had created several new techniques using