A fantastical landscape featuring a glowing, ethereal portal amidst rocky terrain and a starry sky.

Beneath a cosmic sky, a mesmerizing scene unfolds, where the boundaries between reality and fantasy blur. The image captures a surreal landscape where jagged, dark rock formations rise dramatically from a flat, reflective surface, reminiscent of a distant alien planet. The sky above is a canvas of deep purples and blues, dotted with twinkling stars and a radiant nebula that seems to pulse with life, its ethereal tendrils of light weaving through the darkness like cosmic tentacles. The central focus is a luminous portal, a burst of golden light that seems to emanate from the ground, drawing the eye towards the heavens. This portal is surrounded by a halo of pink and purple hues, creating a sense of otherworldly beauty and mystery. The overall mood is one of awe and wonder, inviting the viewer to imagine the secrets and stories that might unfold in this fantastical realm.