C162 Prepare to Enter the Devil Sea Great Earth Cave

All the experts in the main hall nodded in agreement. It was indeed unwise to launch an attack on the Devil Sea Great Earth Cave without any prior preparation.

"Preparations?" Ye Nan glanced at Loong Zhan and then at the others in the hall. "What preparations do we need?"

King Loong Zhan and the experts were taken aback by War Sovereign Ye Nan's question