Upon entering from the Wooden Ocean, lays an empty castle known as "The Undead Castle". There aren't that many historical documents left about what this place is other than a king and his people use to live here but then a horrible tragedy struck this place that it nows lays barren.

There is a save point and way point crystal here to activate. You can enter the houses that provide some books for Knowledge or dressers and chests to loot from (as far as I know, nobody is using it anyway so do what you will, explorer). However, be wary of one of these houses - I sense something strange behind it's door. One of these houses also has ghost you can resue for your Ghost Town.

At each corner of the walls is a outpost tower you can enter from to access the wall-walks. This is also another way to enter the 2nd floor of the castle.

If you are wondering what the red merchant bag is in the corner: That statue can become a merchant to buy from once you have the Statue's Key after your judgement over at the Divine Tower.

You may have noticed the well outside the castle walls that lead to Jahan Dungeon B2 - just to save you the time, later in this poetry, it is locked behind a gate in which the switch is on the otherside. So for now I suggest avoiding it until you come out from Jahan Dungeon itself.

The front doors to this floor are unlocked, but the two back doors leading to Angel Harp require a key. You need the Doll Key from Sam, the Frozen King, down in the Frozen Caverns. [/spoilers]

The stairs to the left lead down to Jahan Dungeon.

The stairs to the right lead up to the second floor.

Entering the second floor, you will encounter some enemies searching for any living soul wondering the walls of this castle. The middle room is a library if you seek more Knowledge.

There are two entryways to the wall-walk on either side. Same goes for staircases leading up to Floor 3.

Floor 3 doesn't have much besides enemies to fight and a ghost to rescue for your Ghost Town. However, this floor contains the royal's room - which is inhabited by a Boss Enemy. Do make sure your party is prepare for a fight if you want to enter this room.

If you decided to head down to Jahan Dungeon - be prepared. There are several enemies locked behind bars (and for good reason). The Warden (located in the very south behind several locked gates) is in charge of this place. There is also the Jahan Store here to buy some "Murda Weapons".

In the north is Poetry of Bronze 6.

In the very center of the dungeon is the staircase that will lead you to B2. In B2, you can hit the switch (circled in red) to have access to the courtyard (hence that well outside the castle walls). Further down the hallway will take you to a place call Psuedo Hell - which the switch is on that side in order to unlock that gate.

If you feel like you are up for a challenge and want to fight the Warden, there are a total of three switches (marked in blue) to find around the dungeon. However - with every switch to hit, it unlocks some of the prisoners and frees them from their cells. They will try to find you - either dodge them or take them head on. Once you hit all three switches, you have seek out the Warden and challenge him. If you are victorious, you will have access to another dungeon called "Forgotten Dungeon". On top of that, in the same hallway is a switch that opens a path to the first floor of the Undead Castle.

This is pretty much a dungeon crawler - fight some enemies, defeat the big boss, and loot the reward.

If you are wanting access from the Undead Castle to Angel Harp, you will need the Doll Key to unlock the door. In order to get the Doll Key, you would have to fight Sam, the Frozen King, down in the Frozen Caverns.

Beware of this maze and its inhabitants however! They do not mess around and are insanely strong for the ill-prepared. Heed your companion's advice should they give you any. There are some hidden passage ways you may take if you are in a hurry and don't want to go through the maze however. Inside it is the entrance to Poetry of Blood 7 and a Boss Enemy to encounter.

Over at the entrance of the Angel Harp Maze is a Garden Shed containing a save point (forgot to mark it on the map). The blue check mark is an item of interest you should pick up if you ever come across it.

To the left is a backroad to the Western Ocean - however, I heard there is a strange creature blocking the road.