Chapter 654: A Shadow? A Curse?

Angor was disappointed that he missed a chance to discover more wonderful mysteries in the Nightmare Realm. However, he had no trouble accepting Sunders' decision because he also knew that such mysteries were always accompanied by deadly traps.

"I'll tell you what I saw when I return," said Sunders.

"I'll stay at Phantom Island tonight, sir, and borrow some of your books to learn about alchemy materials."

"The library in my Gravity Garden also had several alchemy textbooks, I'll leave them—"

Sunders suddenly stopped talking as his body convulsed.

Angor watched in confusion when he saw the gentleman open his eyes while breathing heavily, which looked like someone who just earned serious illness.

"What's going on, professor?" Angor decided to ask. Was Sunders injured in Sleepless City?

Sunders took a moment to calm his breath. "It's nothing. An old condition I got a long time ago just came back."