▁lived ▁peace fully ▁until ▁one ▁storm y ▁night , ▁when ▁a ▁sh ining ▁golden ▁object ▁fell ▁onto ▁the ▁castle ▁from ▁the ▁sky . ▁De af ening ▁sh rie ks ▁arose ▁from ▁the ▁castle , ▁and ▁the ▁sh ining ▁object ▁is ▁later ▁revealed ▁to ▁be ▁an ▁al ien ▁creature ▁who ▁gives ▁life ▁to ▁the ▁stone ▁statue ▁Mur as ame ▁and ▁takes ▁over ▁the ▁castle . ▁The ▁al ien ▁creature ▁extends ▁its ▁power ▁to ▁four ▁other ▁neighbor ing ▁cast les , ▁giving ▁the ▁da im y ō ▁l ords ▁each ▁an ▁evil ▁sphere ▁of ▁power . ▁The ▁l ords ▁are ▁taken ▁over ▁by ▁the ▁al ien ' s ▁evil ▁power , ▁and ▁use ▁the ▁spher es ▁to ▁sum mon ▁nin ja ▁arm ies ▁and ▁mon sters ▁to ▁attack ▁vill agers . ▁H ear ing ▁of ▁these ▁strange ▁occurr ences , ▁the ▁sh og un ate ▁led ▁by ▁Tok ug awa ▁I ets una ▁sends ▁Tak amar u , ▁a ▁sam ur ai ▁app rent ice , ▁on ▁a ▁secret ▁mission ▁to ▁investigate ▁the ▁castle . ▁As ▁Tak amar u , ▁the ▁player ▁must ▁in fil tr ate ▁the ▁four ▁cast les ▁to ▁defeat ▁each ▁castle ▁lord , ▁before ▁going ▁on ▁to ▁face ▁the ▁al ien ▁entity ▁itself . ▁ ▁Port s ▁and ▁related ▁releases ▁The ▁Myst er ious ▁Mur as ame ▁Castle ▁was ▁port ed ▁to ▁Game ▁Boy ▁Adv ance ▁on ▁August ▁ 1 0 , ▁ 2 0 0 4 ▁as ▁part ▁of ▁the ▁Fam ic om ▁M ini ▁Series ▁in ▁Japan . ▁It