This additional content will unlock the new dungeon "The Inferno Hollow" which has 60F.

In "The Inferno Hollow", all floors are made up of one room.
By making good use of "Dragon Area", let's breakthrough dangerous situations!

■Added Contents
・The new dungeon "The Inferno Hollow"
・Three new BOSS monsters
・A lot of new Monsters
・A lot of new Items
・A lot of new Fangs

CAUTION!: If you want to play this new dungeon, you must reach 10th floor of "Dragon's Cradle".

More details on the official game page of Extra Dungeon "The Inferno Hollow" ...