- You must have finished the Demon Tower once.
- You also need a minumum level of 75 up to a maximum level of 90.
You can then talk to Catacomb Guard in Hwang Temple.
From the 3rd floor upwards, all group members need a Shrunken Head in their inventory.
Duration: 1 hour
Cooldown: 30 minutes
You have to bring Soul Crystal Key, which can be found from the monsters on that floor, to the Kud Statue which is located in the center of the map.
When you do this, all players in your group will be teleported to the 2nd floor.
You must find your way to the middle. But Gate of Perdition are blocking your way. You must destroy them to pass.
Once you are in the middle of the map, talk with Tortoise Rock and all players who have a Shrunken Head will be teleported to the third floor.
You entered a map with 7 Metin of Retribution spawned across the map. Only one of them is real. Destroy one by one to find the real Metin.
You have to find Tartaros but he is hiding in one of the corners. When you kill him, he will drop a Grimace Totem.
Bring this item to Basalt Obelisk which is located in the center of the map.
Sixth floor (Final floor)
On the final floor your main objective is to kill Azrael. But the room is full of monsters who attack you automatically.