C2399 Long Blade Long Wind

When the old village chief heard Ye Yan's words, he was slightly startled.

"Pill concoction? Formation?"

Ye Yan nodded his head. He had found some of these things on the first floor. But it was too superficial. Although he had also refined them in his previous life... He had even studied formations, but his foundation was too good. It was a piece of cake, but not now