the autumn when the bareserks came to stir , this happed withal , that vigfus of drapalith went to burn charcoal to the place called selbrents , and three thralls with him , one of whom was swart the strong ; but when they came into the wood vigfus said : great pity it is , and so thou wilt deem it thyself , swart , that thou shouldst be an unfree man , strong as thou art , and manly to look upon .