Appa, the majestic sky bison of Avatar Aang, is depicted with his iconic white and azure fur, exuding an ethereal presence. The long, flowing fur captures the wind as it moves, set against a luminous, enchanting background. The scene embodies a breathtaking, hyper-realistic, and highly detailed portrayal, with an evocative composition that tugs at the heartstrings. The lighting is epic and cinematic, enhancing every feature in stunning 32k UHD resolution. Influenced by Daz3D and DamShelma's artistic styles, the scene is imbued with subtle surrealism, maintaining a sense of awe. The atmosphere is enhanced with touches of anime aesthetics and inspired by the visual depth in Niji's work, with a smooth, dynamic sense of movement that's both powerful and serene.