C3312 Thousands of Years of Inheritance

Besides the pill, those ancient books were equally precious.

To many powers, they didn't lack the pill, but the knowledge that was passed down for thousands of years was what they lacked.

"I'll open it. Watch carefully." Feng Houhuo looked at the stone wall in front of him with a serious expression. He kept striking out seals with his hands.

Feng Bai watched from the side