C3307 Life-prolonging

3307. Life-prolonging.

A door appeared out of thin air!

A very ear-piercing sound of the door opening.

Nezha was slightly shocked.

At this moment.

A middle-aged man walked out of the door.

The man's voice was plain and his expression was cold. He glanced at Loong Fei, who had cooled down on the ground. He made a seal with one hand and a flame appeared between his fingers.

The flame must be