C155 There Were Falling Treasures Everywhere on the Mountain

"These specters are the lowest tier of demons, known as Spectres, the most common grunts you'll encounter."

Ye Jue explained, "But we mustn't stir them up. Spectres tend to swarm, and that could trigger a devil tide. If the Lord of the Netherworld catches wind of us too soon, we're in trouble."

"So, we're going stealth mode?"

Rockford wasted no time in activating Mass Invisibility