C181 Three Flowers Gather at the Top Five Qi Flow Towards the Source

Other than that, there's no other possibility.

Not only Yuh Hanmo, but all the Alchemists present could see it clearly.

The massive amount of natural energy that was being absorbed had nothing to do with Zhang Henn's own Qi fluctuation.

It originated from the two gears and Zhang Henns in Zhang Henn's hands. As long as the gears and flames spun faster and faster