In the heart of the astral veil, the Kuker guardian emerges from an 'Eclipse Shadow,' its presence an ethereal dance of light and dark. A 'Gemstone Aegis' crowns its form, shimmering with celestial resolve as the 'Cloud Tail' stripe trails a wisp of mystic vapor. Its visage, the 'Cloud Fang,' glimmers with enigmatic wisdom, cloaked in an air of ancient power. The 'Amber Terra' body pulses with the soul of the earth, each movement a testament to its enduring strength. 'Azure Bloom' weaves through its essence, whispering secrets of the boundless sky, as this spectral sentinel stands watch, an eternal keeper of cosmic balance.