i dont know the place but i remember what it like..
im battling a boss there.. in the scene(was it rygars mother) she was kidnap? i dont know.. the boss is big and there was a female on his forehead i think she use it as a weapon.. the boss blows poisonous ice breath i think.. after you beat him.. you will fight him again in a human like from.. he teleports and attack you... and thats ny problem.. i cant beat him.. i out of healing item.. i dont know what to do.. i think i miss some treasure box that contain a healing item?... hope you ubderstand me.. T_T

PS: i think its the last boss cause i get all the basic diskarmor the hades sea and the one you use in the first place..