This is the extension from Sky Castle but is mostly for Tier 5 players. It is hunted for Protection scroll X and mats for crafting Legendary X set, you can still get good amount of EXP/SXP. It is also limited to one hour per day and share timer with Christmas land and Sky Castle timer. You can access that area by buying a scroll of teleportation to sky castle, then talking to "Sky Teleporter" and once inside the castle run to the middle pillar.
West : Darius Pack
South : Garuda
East : Merrows
Pros: High EXP/SXP, chance of protection scroll X as a drop, presence of Grootslang boss.
Cons: Limitted to one hour per day, sky castle need to be taken to enable access to gardens.