C617 The Way to Repair Water Pipes

A single medicinal formula costs 4000 Spiritual Energy Value. It's really not bad. If four of them were added together, 16,000 Spiritual Energy Value would not be considered as 1,000 experiment fees. Even though Lin Nan was now a lot richer, he still could not help but feel a pain in his heart.

Of course, it was worth it. Once these medicinal formulas really had a miraculous effect..