"Design an outline-only coloring book page for adults. The image is in black and white, with thick lines, resembling realistic art. The scene depicts a Viking warrior in action. He stands on the shore, stepping off a longship. The Viking holds a sturdy sword in his right hand, the blade extending upward. In his left hand, he carries a round shield with intricate detailing. His attire includes fur-lined clothing and a horned helmet, typical of Viking style. The longship behind him features intricate carvings along its sides. The background showcases a coastal landscape with rocky cliffs and crashing waves. Ensure the outlines capture the strong, determined posture of the Viking as he disembarks from the ship."