Note by ShadoFang13: Not finished with all of the details for this page yet, going to add general information first and refine whenever I have time later on.
The Cyclone Labyrinth is unlocked upon reaching lvl 27
Perfect Clear requirement: Stay alive for duration of mission.
First map enemies: Dark Ghost and Grey Ghost
WARNING: Both Dark and Grey Ghosts will be invisible unless attacked or attacking (similar to M11 final map)
Second map (boss room): Seer x3 (M6 Boss) and Great Demon's Shadow (M12 Boss)
Objective for this part of the Labyrinth: Defeat Great Demon's Shadow