C341 Poison doctor fighting(8)

"So that's how it is."

After Ya Er understood, he remembered that when he was observing the first poison, he did not notice the red granules within the black powder.

And what was obvious was that Liu Xinyue had long since noticed the red particle.

When he thought of this, Ya Er felt very ashamed.

"Alright, these are the red particles that were filtered out from the black powder