Crystal Dungeon Steps:
Step 1: Kill all mobs
Step 2: Find the Crystal seal and unlock the pillar
Step 3: Kill all the mobs to spawn Crystal Beast
Step 4: Kill Crystal Beast
Step 5: Destroy all the metin stones to get the right stone piece
Step 6: Kill all mobs
Step 7: Kill Crystal Dino
Step 8: Destoy all metin stones
Step 9: Kill the Crystal Dragon
Bonus needed: Strong against Monsters
Drops:
Step 1: Kill all mobs
Step 2: Find the Crystal seal and unlock the pillar
Step 3: Kill all the mobs to spawn Crystal Beast
Step 4: Kill Crystal Beast
Step 5: Destroy all the metin stones to get the right stone piece
Step 6: Kill all mobs
Step 7: Kill Crystal Dino
Step 8: Destoy all metin stones
Step 9: Kill the Crystal Dragon
Bonus needed: Strong against Monsters
Drops: