- In order to find this monster, teleport using Boneyard Tele or walk to Boneyard (M) and go down the ladder in the house on the eastern side into Boneyard Cave (M).
- In the cave, use a Flaming Stag Key on the northeast door, just north of the Flaming Stags, to enter Boneyard Cave #2 (M).
- Once through, walk to the end of the hall and fall through the floor to enter the room full of Spiders. Use the Spider Key to enter the gate above.
- Head West after the gate and into a hidden room, then go into the portal. Once inside, search for the Red M. Key found in the blood stained floor North-West of this room.
- Use this key to enter through a gate to the East of the room to discover the Undead Dragons.
|Dead Dragon Egg||1||1/100|
|Green M. Key||1||1/50|
|Empty Chest 2||1||1/(?)|