C1021 Be Quiet Boy Everything Is Under My Control

Cai stared at the Thunder Dragon Dragon Pill in Lin Tian's hand. As if he had thought of something, he took out a secret manual from somewhere.

"Master, there's a secret book here that I was about to show you. It's called Heavenly Thunder Spell.

This Heavenly Thunder Spell had reached the level of a profound treasure, and was found on the body of the most powerful cultivator among those mummies