Production designer Nathan Crowley had a fantasy problem. Floating castles are everywhere—anime, video games, every world-building IP that needs a visual shorthand for ancient magic. For Wicked: For Good, he needed Kiamo Ko to do something…

Production designer Nathan Crowley had a fantasy problem. Floating castles are everywhere—anime, video games, every world-building IP that needs a visual shorthand for ancient magic. For Wicked: For Good, he needed Kiamo Ko to do something…