8K Ultra HD, highly detailed, super realistic, underground Forest, a detailed illustration depicting a mysterious forest that spreads on underground seabed, a fantastic sight of trees standing in the sea and glittering mystical flying spirit creatures, Adobe Illustrator, pixiv, luminism, 3d render, octane render, Isometric, by yukisakura, orange, pink, green bright color tones,  <lora:add-detail-xl:1>