A figure in a flowing blue dress stands at the entrance of a vibrant, cosmic tunnel with swirling purple and blue hues.

In the heart of a cosmic portal, a ethereal figure stands at the threshold, their flowing blue dress billowing in the celestial breeze. The portal itself is a mesmerizing vortex of swirling purple and blue hues, with streaks of light that resemble cosmic dust and starlight. The figure, with long, flowing hair, faces the radiant white light at the center of the portal, as if drawn by an otherworldly beacon. The surrounding environment is a dark, star-studded expanse, with distant mountains and rocky formations adding depth to the scene. The overall mood is one of wonder and mystery, inviting viewers to explore the unknown realms beyond the portal.