C422 The Cheat Began to Go Online

"Ye Feng, you forced my hand. Don't hold it against me."

Potassium cyanide is actually quite useful.

It can be utilized for refining precious metals like gold and silver, in quenching and electroplating processes, and in the creation of analytical reagents, organic nitriles, pharmaceuticals, and pesticides, among other applications.

But in the hands of Qin Hee, it turned into a deadly poison