Inspired by the illustrative styles of Raphael Kirchner, Moebius, and Sergio Toppi, envision a highly detailed depiction of Colwyn, the heroic figure from the movie 'Krull'. Colwyn stands valiantly, enveloped in his signature armor and wielding the mythical Glaive. The scene unfolds on the enigmatic and rugged landscape of the alien planet Krull, showcasing its jagged terrains and the imposing silhouettes of castle strongholds in the distance. The atmosphere brims with adventure and heroism, capturing Colwyn's unwavering resolve against a backdrop of the world's perilous beauty. Styled in a fashion harking back to '80s cinematic poster art, the composition is rich with dynamic lines and a striking interplay of light and shadow, achieving a hyperrealistic effect that echoes the grandeur of vintage high fantasy illustrations.