This is notably the only safe zone that can contain enemies temporarily. This is also the only location where colliding with those visible enemies will start battles instead of having them only pop out when the player's party lands on a battle spot in stages.
From left to right: The King, the Princess, the Besmirched Noble's Son, the Prince from a Nearby Land, the Genie, and the Fab Fairies.
Inside Greenhorne Castle. Two soldiers are guarding the Throne Room.
The Throne Room, featuring the King and his Royal Supports.
The Princess's Quarters, featuring the Besmirched Noble's Son and the Princess.
The Protagonist entering Greenhorne Castle while it is in ruin