Mousoleum

"The scientists of the nearby Laboratory would often come to the Mousoleum to harvest 'spare parts' for their various creations. This grim hunting location is now haunted by spirits of slain mice. The mice of this location seem almost unable to resist radioactive cheese."

For a hunter to access the Mousoleum, he/she must obtain an Ancient Tattered Cloth from a Zombie Mouse in the Laboratory.

The Mousoleum contains much stronger mice than previous areas. Catching these higher-level mice is more difficult then catching mice in any previous area, but the rewards are greater than in previous areas, i.e. the 'more risk, more reward' possibilities. The Mousoleum is the first area that contains shadow mice, as well as some strong physical mice. A list of the mice that can be found in the Mousoleum includes the Mutated White Mouse, Mutated Grey Mouse, Zombie Mouse, Bat Mouse, Vampire Mouse, Ghost Mouse, Mummy Mouse, Ravenous Zombie Mouse, Monster Mouse, Lycan Mouse (which drops the Shredded Map Piece to the Training Grounds), and Black Widow Mouse.

There are specific traps designed for use in the Mousoleum - the Sinister Portal and Ambrosial Portal. These can be bought from the Trapsmith in the Town of Digby. The portal traps have weaker power levels than several of the 'physical' traps, but are the only traps capable of catching the shadow-type mice. Of the above list, the Vampire Mouse, Ghost Mouse, Mummy Mouse, and Lycan Mouse can only be captured by a portal trap.

Radioactive Blue cheese is the only cheese that is consistently effective against the shadow-type mice that are common in the Mousoleum. Cheeses that are otherwise powerful in other areas of the game, such as Super Brie and brie, are nearly useless in the Mousoleum.