Level Requirement: 100
Be prepared to face: Black Knight, Demon, Dragon Lord, Fire Elemental, Juggernaut, Orshabaal, The Handmaiden, Undead Dragon
Note: There are two keys required to open the reward room's doors. They are golden key(2585) and purple key(2584).
Reward: Crown, it will increase the maximum value of your total mana.
Here, you can find the purple key(2584).
Once you go down. You will see lots of dragon lords, fire elemental, demons and undead dragons. Then go to most north east of the map.
An Orshabaal is protecting its priceless crown.