The theme of Beowulf is valor will triumph. This is one of the most important work in the old English literature that depicts great courage in the face of battle. Beowulf is a hero of Geats in Gotaland of modern Sweden who slays the monster and its mother. Then, after 50 years, Beowulf defeats a dragon. His heroic act then proves that if there is strength in mind and spirit, victory is achieve with firmness.