<t>you need to get key of mirror castle 2 in hades dungeon which located in northwest of oshiro castle, then there are 2 basement rooms in mirror castle that cant be unlocked except if u have key of mirror castle 2, idk which one but just try opening all of them, one of the room has 1 chest and 2 te...

yea it was in mysterious cave, but you need to go to mirror castle to get the next castle key to open the portal to the cave

is legend queen the earliest queen u can make? or perhaps there is an earlier queen?
is light queen the strongest? i have so many questions for this queen type monster