Dark Realistic Milza - Mythical Creature Interpretation

An interpretation of a mythical creature with unique traits: it has a body and tail that resemble a reptile, but its head is engulfed in a vibrant, dark flame. This creature stands on two legs and features numerous sharp spikes protruding from its back, adding to its intense, dramatic appearance. Its eyes glow with a mysterious light, suggesting its supernatural origin. Please portray it in a realistic style, incorporating elements that would make it look plausible in a real-world setting.