In a cavernous lair hewn from obsidian rock, a monstrous beholder hovers ominously, its central eye blazing with arcane energy as its eyestalks writhe like tentacles. Facing this eldritch horror, a resplendent golden dragon rears up, scales glittering in the flickering torchlight, its massive wings unfurled in a display of power. Vibrant magical energies crackle and swirl around the combatants, casting eerie shadows on the rough- hewn walls. The beholder's flesh pulses with an otherworldly purple glow, contrasting sharply with the dragon's metallic sheen and the orange flames erupting from its maw. Stalactites hanging from the cavern ceiling frame the epic confrontation, while scattered treasure glints temptingly in the background. The scene pulses with tension and barely contained violence, rendered in the bold, dynamic style of Frank Frazetta, with the intricate detailing and fantastical elements reminiscent of Wayne Reynolds' iconic Dungeons & Dragons illustrations. Dramatic chiaroscuro lighting emphasizes the stark contrast between light and shadow, heightening the sense of danger and mystique that permeates this clash of legendary creatures