File:Revendreth concept gateway.png

Summary
Concept art of early idea about some kind of gargoyle king in the shadowlands, by Cole Eastburn.

Source
https://www.artstation.com/artwork/WKz89Q

Concept art shown in "Game Informer" magazine:
 * http://www.vanion.eu/news/shadowlands-exklusiv-eine-tour-durch-revendreth-21179
 * Image: http://www.vanion.eu/userfiles/images/wow-shadowlands-revendreth-2.png

Also seen in The Art of World of Warcraft: Shadowlands on page 149.