The Hidden dungeon is tough and interesting at the same time. There a various enemies here that have a word in front of their name that are very tough...however, there are weapons [normally useless] that have that same word that wil kill the enemy with one hit. Example:Lvl.99 Funny Thief...pretty tough, Lvl.99 Funny Thief when someone has the Funny Slayer...one hit kill. On the sixth level, there will be a man who occasionally appears in the statue room. He sells very rare stuff, including all the rare metals, the real tri-emblem [not the fake "emplem"], and items that can teleport you out of the dungeon....for you see, there are no save points, so if you are on level 13 of the dungeon and die, your screwed, so you must leave to save on occasion, and when you re-enter there will be methods of going down quickly, such as a trap door. The dungeon also contains very powerful equipment, including [but not limited to] The Levantine Sword, Ashton's ultimate attack, Leon's ultimate attack, Celine's ultimate attack, the angel armband,several pair of bunny shoes, and the valiant armor. As far as monsters go, from around level 3 onward, you may run into boss class monsters as normal fights...you can even run into the last boss of the dungeon as a normal
enemy, so be careful.