Moon of 16th day is the 3rd dungeon found in darkmoon castle. There are only bosses in the dungeon,in the first room,the player will encounter the Ninja Guardian. When he is defeated,the 2nd room will open,Tengu will be in the room. After Tengu is defeated,The true boss is revealed,the Dark Moon Princess! Dark Moon Princess used to help Iris. But betrayed her,Dark Moon Princess also uses upgraded bow explorer attacks. When Dark Moon Princess is defeated,a portal appears to send the player back to darkmoon castle.
Ninja Guardian (Miniboss)
Dark Moon Princess (Boss)