C676 A Sneak Attack Battle

Rustle...

It was a quiet night. Around the stone castle, the crickets were chirping. Under the dark night sky, several hundreds of people dressed in black were approaching the castle from the east to the north. The moon was full in the sky, and the stars were shining. A sneak attack was about to begin.

Buzz!

Within the castle, the Undying Medicine Pool was awakened by a sound