Prompt: The Oathgate platform, an ancient and mysterious structure with mystical properties (Oathgate:1.2). Artwork combines the fantastical style of Brian Froud, the architectural precision of Ivan Shishkin, and the historical depth of Thomas Cole. The mysterious aura of the Oathgate is enhanced by the chiaroscuro of Georges de La Tour and the subtle watercolors of Camille Pissarro, capturing the ancient magic and significance of the Oathgates in the story.