The next day they were at it again, exchanging bombs, hand grenades, and machine-gun fire with the enemy. The assault lasted all day. The ground, according to one survivor, was “torn up by shells and littered with dead bodies.”55 At sunset a white flag appeared at the German garrison at Ovillers: surrender. Tolkien, unharmed but physically and emotionally exhausted, had endured fifty hours of combat. Years later he described this period as “the animal horror of the life of active service.”