hey all, i've been playing mph after having it for the longest time, and i have 7 octoliths and one with all three artifacts but i don't know where the boss is to get the octolith!! its the lat thing i need to do to get to gorea, and i have no clue where the one im missing is at. the one im missing is the one when you press start, its the lower left one. thanks if you can help!!