Illustrate a fascinating dark fantasy scene, where a purple triangle emerges in the middle of a sinister and dark kingdom. The yawning void gives off an unearthly ethereal glow, casting colorful, shimmering beams of light that pierce the oppressive darkness. Strange mystical creatures lurk in the shadows, their eyes glowing with malevolent intent as they are drawn towards the enigmatic portal. The air crackles with electric energy, an eerie feeling of unknown power emanating from the vibrant, swirling colors of the purple triangle