A full-length portrait of a Zen roshi in meditation, practicing zazen in a traditional Japanese garden. The scene is intricately detailed and composed with the rule of thirds, invoking the golden ratio for balance. The artwork is cinematic and painted in the style of a classical oil painting, featuring dramatic lighting that enhances the serene and contemplative atmosphere. The background includes vibrant greenery and carefully raked sand, adding depth and texture to the composition. The roshi's calm expression and the subtle play of light and shadow on the elegant folds of their robe convey a sense of peaceful introspection, resulting in a breathtaking masterpiece.