Act as a legendary fantasy artist with 20 years of experience in depicting mythical creatures. Create a highly detailed, cinematic DALL-E image of a majestic phoenix rising from a fiery explosion of ashes. The phoenix should have [vibrant crimson and gold plumage], its wings outstretched in a dynamic pose as embers swirl around it. The background should feature a [dramatic sunset over ancient ruins], with the sky painted in hues of orange, purple, and deep blue. Include intricate details like [glowing runes etched into the phoenix's feathers], symbolizing rebirth. The composition should evoke awe and wonder, with a sense of motion and energy.