Chapter 19: Efficacy

Fei Wenyang had his eyes on the potion as soon as his silly younger brother started to unpack the delivery, noticing his sibling hammering away at the virtual keyboard with a look of sadness and anger, he stood up and took the medicine that was carelessly thrown on the table.

The purity of the potion was quite high, as most concocted potions had some impurities; it was rare to see one as crystalline and clear as pure water.

A trace of puzzlement flashed in Fei Wenyang's eyes, and he uncorked the bottle, bringing it to his nose to take a sniff.

His expression was instantly shaken.

"Wenxing, wait!" Fei Wenyang said urgently.

Fei Wenxing, who was composing a short essay, heard his elder brother's voice, stopped writing, and turned his head in confusion.

"Come to the lab with me!" Fei Wenyang stood up, grabbed Fei Wenxing, and headed straight to the lab.

Perhaps...