▁across ▁the ▁Bridge ▁of ▁Kh az ad - d û m ▁they ▁are ▁confront ed ▁by ▁a ▁Bal rog , ▁and ▁Gand alf ▁( I an ▁McK ellen ) ▁sacrific es ▁himself ▁to ▁allow ▁the ▁others ▁to ▁escape . ▁ ▁So on ▁there after , ▁they ▁reach ▁Am on ▁Hen , ▁and ▁the ▁fellow ship ▁fragments . ▁Arag orn ▁allows ▁Fro do ▁to ▁leave ▁with ▁the ▁Ring ▁and ▁make ▁his ▁own ▁way ▁to ▁M ord or . ▁As ▁they ▁are ▁amb ushed ▁by ▁a ▁group ▁of ▁U ru k - hai , ▁Arag orn , ▁G im li ▁and ▁Leg olas ▁( Or lando ▁Blo om ) ▁protect ▁Fro do , ▁giving ▁him ▁time ▁to ▁escape ▁with ▁Sam . ▁Meanwhile , ▁Bor om ir ▁is ▁left ▁alone ▁to ▁protect ▁Mer ry ▁and ▁Pi pp in . ▁He ▁is ▁over wh el med ▁by ▁the ▁numbers , ▁and ▁is ▁fat ally ▁wounded ▁by ▁the ▁U ru k - hai ▁leader , ▁L urt z . ▁Mer ry ▁and ▁Pi pp in ▁are ▁then ▁taken ▁capt ive ▁by ▁the ▁U ru k - hai . ▁Before ▁Bor om ir , ▁dies , ▁Arag orn , ▁Leg olas , ▁and ▁G im li ▁reach ▁him ▁and ▁v ow ▁to ▁a ven ge ▁his ▁death . ▁They ▁kill ▁L urt z ▁and ▁set ▁out ▁in ▁purs uit ▁of ▁Mer ry ▁and ▁Pi pp in . ▁This ▁brings ▁them ▁to ▁F ang orn ▁Forest , ▁where ▁they ▁encounter ▁a ▁w izard . ▁Initial ly ▁bel ieving ▁it ▁to