C154 Primary Magic Book
"Master, a primary Psychic Medicament can only increase your cultivation by 10 points, and it still has to rely on your body's condition to provide a bit of mental strength.
It was such a lousy drug. If it wasn't for the fact that it still has some use to its owner, I would have wanted to replace it long ago. "
After Xu Tianyu heard the explanation, he was a bit embarrassed and kept quiet