Generate an image of a priestess from an oracle, evoking dual sensations of both serenity and mystery. She should be dressed in ancient, flowing robes, adorned with intricate jewelry. Her expression should be calm and wise, yet her eyes should convey an otherworldly, enigmatic aura. The background should be a mystical setting, perhaps a temple or a sacred grove, with elements like flickering candles and ethereal mist adding to the atmosphere. Style pencil