In Greek mythology, the character Achilles plays a pivotal role in the Trojan War as one of the greatest warriors. Known for his superhuman strength and near invincibility, he is a key figure for the Greeks. However, his pride leads to significant conflict, particularly with Agamemnon, which results in his temporary withdrawal from battle. Achilles' journey reflects themes of honor, fate, and the devastating effects of war, ultimately underscoring the tragic nature of his character when facing the loss of his close companion, Patroclus.