Appa, Avatar Aang's sky bison, featuring a majestic appearance with a mix of white and azure hues, covered in long flowing fur. The background is luminous, with an ethereal, fallingcore atmosphere. The scene is hyper-realistic and hyper-detailed, showcasing a stunning composition with epic, cinematic lighting. Rendered in ultra-high-definition 32k resolution, the image is designed by daz3d and DamShelma, capturing an intensely emotional and breathtaking moment. The overall aspect reflects a 1:2 ratio while incorporating an anime-inspired aesthetic through niji 5, with settings of --s 500 --q 3 maintained.