File:Warcraft Adventures - Thrall concept art.jpg

Summary
Warcraft Adventures: Lord of the Clans concept art of Thrall, later reused for Warcraft III. Artwork by Chris Metzen and Samwise Didier.

Source

 * https://www.gameinformer.com/2018/11/14/explore-warcraft-iiis-origins-in-this-rare-concept-art-gallery