Since Black Swallow Mountain had been hailed as the largest auction ever held by the Cultivation World of the Deqing Empire before the Three Realms War, Qin Fengming and the others would have attended even if they had already gathered all the materials for refining artifacts.
After all, at an auction of this level, even a Nascent Soul cultivator might encounter only a few such events in his entire life.
Moreover, with the Three Realms War about to begin, the treasures appearing at the auction would be far superior to those of ordinary times. Missing it would have been a terrible pity.
Qin Fengming had already handed the materials for refining artifacts obtained at the Huangyan Cave exchange gathering to Bing'er. With Bing'er's talent and the memories sealed within her mind, refining the Nine Heavens Ten Lands Soul Needle alone should not have been too difficult.
If Qin Fengming had refined it, he might have completed it without wasting a single bit of material. However, a life-bound magic treasure was different from other magic treasures. Even if a Core Formation cultivator had no talent for artifact refinement, he generally would not entrust the task to someone else unless he was truly helpless and absolutely unable to refine it himself.
That was because only when a magic treasure was refined personally would the maker's own imprint within it be distinct, allowing him to nurture it with twice the results for half the effort later on.
Thus, even though Bing'er was not skilled at artifact refinement, she had no choice but to do it herself.
Of course, before beginning the refinement, Qin Fengming had still given Bing'er a pile of other artifact-refining materials, allowing her to first familiarize herself with coordinating the artifact furnace and her own true fire.
When Qin Fengming