With 2 or more people in your Party, the party leader must speak with Matt Roy Shka outside the Geffen Tower at (geffen 119, 99) and "Accept Admission".
After the dungeon is created, speak to the NPC again to enter the dungeon.
Note: A window will appear showing pertinent time limits for the dungeon. If it is closed, it can be opened again with with the shortcut Alt+B.
Note 2: There is a 2.5 hour time limit for completing the quest before the instance is destroyed.
Speak to the Murdered Yggdrasilid near the center of the main room. (213,277)
Go to floor 2 via the portal at the north end of the room.
Note: If you get disconnected at anytime after going to the 2nd floor, you will be unable to re-enter the instance until the cool down has expired.
Shortest path through the maze
Work your way through a short maze.
At the end of the maze, you will warp to the boss room. Once the party leader steps forward Nidhoggur's Shadow will spawn at the center of the room.
Approximately every 3 min while fighting Nidhoggur's Shadow, the entire party will be warped to 1 of 4 side rooms. They will receive several Status Effects that last for 30 seconds and ignore all resistances/immunities. 3 Ryncho and 2 Phylla will spawn in the side room with the party, they must be defeated before the party can leave the room.
Southwest (red) room: HP-75%, Bleeding Ailment (icon does not show)
