Hua Ci was now in the Spirit Stream Battlefield, and her cultivation had already reached its own limit, leaving no room for further advancement. That was why she repeatedly lowered her own cultivation to refine Myriad Poison Beads.
The potency of a Myriad Poison Bead was not only related to how much cultivation Hua Ci sacrificed while refining it, but also to the toxicity of the poisons she consumed.
When she first gave Lu Ye Myriad Poison Beads, Hua Ci was not yet familiar with this method. They had merely been practice pieces, and in order to prevent Lu Ye from noticing anything and worrying unnecessarily, she had not sacrificed much cultivation.
But as she refined more and more Myriad Poison Beads, she became increasingly skilled through practice.
The Myriad Poison Beads Lu Ye obtained this time had cost Hua Ci far more cultivation than the previous ones.
Furthermore, Hua Ci had now found the source of the Myriad Poison Forest and even created a Poison Pool in its deepest reaches. When Lu Ye had gone back to see her last time, that woman had been leisurely soaking in the Poison Pool.
That was the manifestation of the Myriad Poison Forest's poison source, its toxicity countless times fiercer than the poisonous mist she had once merely consumed.
All these factors led to one result.
The three Myriad Poison Beads Lu Ye activated this time were more than twice as toxic as the previous ones!
Lu Ye had not expected this. Had he known, he certainly would not have been willing to use all three Myriad Poison Beads. At the very least, he would have kept one.
But now that they had been used, there was no point thinking about it.
Poisonous mist filled the entire Mine Cave, and no one