Epic detailed full-body illustration: A Hook the Hidden Knight stands on a Mirror Gate surface, adorned with blue and yellow accents, giving it a dynamic appearance. Its arms and legs are spread, and its head is turned, as if observing scattered Mirror Mail pieces in the open gate. The final artwork should be 4K, exceptionally detailed, handcrafted, and feature captivating lighting and composition. Convey a powerful message, and showcase vivid emotions and intricate details. Cinematic lighting and HD quality expected.