Standing taller than a human with a wingspan exceeding thirty feet, the Prismatic Poukai possesses supernatural flight capabilities that allow it to traverse global distances in mere hours, transcending normal physical limitations through its cosmic connection. Its most remarkable feature is its adaptive plumage, which can absorb and reflect the essence of any cryptid it encounters, storing these patterns within its feathers as shimmering, iridescent manifestations that shift and change depending on which cryptid domains it recently visited. Though nearly invulnerable to conventional harm, the Poukai cannot maintain direct contact with modern technology, forcing it to remain in wild, remote regions where cryptids typically dwell and limiting its ability to directly interact with human civilization.

The Prismatic Poukai serves as both witness and record-keeper of the cryptid world, its feathers containing a living archive of cryptid encounters that preserves their essence and connects their isolated communities through a shared awareness. By physically carrying essence-fragments between different cryptid territories, it facilitates a form of cross-pollination that ensures no cryptid species remains truly isolated, maintaining a delicate balance in the hidden ecosystem of legendary creatures while providing cryptozoologists with rare glimpses of its rainbow-hued form that inspire global cryptid research.