Imagine an awe-inspiring, heavenly sight of a celestial revelation. A colossal dragon of deep ruby hues stands imposingly on rugged hills outside an ancient city. Each of the dragon's seven heads is adorned with a majestic king's crown, and ten fearsome horns protrude from its expanse. The atmosphere is charged with the raw energy of sporadic lightning strikes against a brooding, stormy sky. The art is fashioned with immaculate details, rendering a hyper-realistic feel to the dragon's armour and weapons. The scene is designed to have a surreal, otherworldly aura, deeply engrained in respect and devotion to the faith of Christianity. The medium of execution is akin to digital art, bringing forth a contemporary brush on an ancient narrative.