C281 Don't Blame Me for Not Giving You Face

Ye Hao agreed. Others might not know how useful this thing was, but he knew it.

He was well aware that once someone came up with something without any side effects, it would turn into a bloody storm. Even if it did not have a long duration of effect, once there was a need for it, it would definitely increase one's strength.

This thing could save lives at a critical moment. Of course