The uproar echoing through the vast cavern had all come from those who had gathered to watch the spectacle. At this moment, even the fat old man from Huangbo City had his mouth hanging wide open, his eyes fixed intently on the young man's rapidly moving hands.
It could be said that anyone with considerable Pill Dao attainment had already seen that the young cultivator had not begun refining in haste. Rather, he was displaying an extremely profound technique, using an extraordinarily mysterious method to fuse a hundred stalks of spirit grass.
The formation activated by the token was quite peculiar. It was indeed a defensive formation, but it could also reflect the situation inside the Alchemy Furnace, allowing everyone watching to clearly see the state of the medicinal herbs within.
This was also one of the reasons the Pill Dao Convention attracted cultivators from countless sea regions.
Watching the hundred stalks of spirit grass rapidly melt inside the Alchemy Furnace before their impurities were removed, the many alchemists all wore thoughtful expressions.
This method of purification was something everyone could say they were seeing for the first time.
Their masters had taught them to finish purifying one stalk before moving on to the next type of spirit grass. As for placing them into the Alchemy Furnace one after another and purifying them all together, they had never tried such a method.
As alchemists, they naturally knew how harsh the demand on a cultivator's divine sense was when purifying a hundred types of spirit grass simultaneously. The cultivator had to forcefully split his divine sense into a hundred portions.
He also needed sufficiently powerful soul force to support him, as well as suitable talismanic patterns and incantations to reinforce the process.
Yet the young man on the stone platform had