The Old Dark House (movie)
At the end,  there is a duel.    Phliph and Maggy know  that Saul was let out by Morgan.   Everybody hides in a closet.  They fight; but  Saul is killed by falling down the stairs,  and Roger  is injured.   Morgan breaks out and saves Maraget and Gladys from being trapped in the closet.   He then takes Saul's lifeless body upstairs.