In Welsh mythology, King Arthur is the prominent figure associated with Arthurian legends. He embodies ideals of valor, wisdom, and leadership, serving as a symbol of unity for the Britons. His tales involve quests, chivalric virtues, and the defense of the realm against invasions. The character of Arthur reflects the aspiration of creating a noble society, focusing on honor and justice. His legacy continues to influence literature, art, and cultural identity, embodying the timeless struggle for righteousness and the complexities of leadership.