This is a series of digital paintings by artist Daniel Kamarudin reimagining Avengers characters with a dark fantasy twist (previously: this other person who did the same thing back in Who is your favorite? I like Black Widow.
Leheath Stronghold: This walled castle has white stone walls, and a round keep with a massive central fireplace. The lady of the castle is a woman named Gythiua. The castle courtyards are filled with fruit trees and gardens.