Prompt: Create a highly detailed A3 portrait poster that looks like a page from an ancient Celtic illuminated manuscript. Center composition: A heroic mythic Celtic freeman warrior, standing proudly in a forested mountainous landscape. He carries a spear and a decorated round shield with spiral motifs. He wears a green cloak, leather armor, and a Celtic torc around his neck. His appearance is strong and noble, long hair, warrior beard. Style inspiration: Book of Kells Lindisfarne Gospels Celtic illuminated manuscripts The poster should have a rich ornamental Celtic border filled with: Celtic knotwork spiral patterns zoomorphic ornaments ravens wolves mythological symbols Include Celtic symbols such as: Triskele Triquetra Awen Color palette inspired by medieval manuscripts: gold deep green ochre lapis blue dark red The poster should resemble a sacred illuminated codex page, with parchment texture and highly detailed ornamentation. Leave clear space in the lower part of the page for text. Ultra detailed, epic, mythic atmosphere, museum quality illustration, fine art, high resolution, print ready. Aspect ratio: A3 portrait (1:1.414) Important: No vikings. Authentic Celtic warrior. Ver más