215 Fill It Up With Energy | Chapter 215

"But the guide I used clearly explained that I had to use soul energy to proceed the ritual," Song Lei explained. "Is there a certain type of ritualistic magic type that combines soul usage with the traditional ways?"

"Not that I'm aware of..." Aston muttered as he turned off the rotary tool.

"That's awkward. I'm pretty well-informed about hidden organizations and such. But I've never heard one that combined soul usage and ritualistic magic," he said.

"I think its origins go back to East Siberia..." Song Lei muttered. "At least that's what was written in the book I found in Xiang Yimu's room. It might be different for this specific type of shamanism."