C850 Thirteen siege gates

Boundless Yin Qi was released from the crack in the door, causing the surrounding space to become even darker. The faint sound of ghosts howling and wolves howling could be heard; it was extremely terrifying.

My heart thumped like a drum.

This black door can only be seen by cultivators and fiendish demons. Ordinary people can't see it, they can only feel the surroundings become gloomy and cold