[System panel is easy and invincible]
This book is also called: The Self-Development of a Gu Immortal
A green wooden cauldron and a demon sword.
Immortals have a destiny, and they can live forever by refining Gu.
This Gu is taken from the River Styx, named "River of Forgetfulness". It is ancient and modern, and can create a barrier of three thousand illusions! "...
