- Move through the portal into the darkness (Be sure to mark the portals you go through so you don't double it up). Do note that the top/bottom portals cannot be entered.
- Upon entering the room, a message will appear letting you know if there are any remaining monsters in the room.
- Kill the monsters in each room*. Each time a monster is killed, the number count will be updated.
- Once all the monsters have been eliminated, enter the portal at the top of the stage.
*Note: The bottom accessible portal has 2 monsters inside. The rest have 3.
Note: The two bottom portals contain monsters weak to physical attacks, and the three top portals contain monsters weak to magical attacks. One portal will have two monsters lurking inside.