A mystical forest scene with a glowing portal leading to a starry sky.

Beneath the starlit sky, a mystical portal beckons, its ethereal glow illuminating the dark, enchanting forest. This portal, a towering, glowing chasm, seems to be a gateway to another realm, its radiant light piercing through the dense canopy of leafless trees. The portal's edges are adorned with intricate, glowing patterns that shimmer with hues of blue, green, and yellow, creating a mesmerizing effect that draws the eye inward. The surrounding forest is a tapestry of deep purples and blues, dotted with twinkling stars that add to the otherworldly ambiance. The ground is a mix of rugged stone and patches of vibrant green grass, with scattered rocks adding texture to the scene. The overall mood is one of wonder and mystery, inviting viewers to imagine what lies beyond the portal's threshold.