Shogun Assassin 4 AKA Baby Cart in the Land of Demons

The loyal guardsmen of a mighty feif send their five best swordsmen to hire the Lone Wolf to kill their deranged master eah bering 1 5 of his fee and 1 5 of his assignment but he only gets the details if he can kill them so skillfully that they can spill their guts before they...spill their guts. And it doesnt help matters that his new employers have sworn to defend their mad lord to the last man.