Disgaea 2: Cursed Memories/Item World

when in Item World you will face many monsters. The more money you pay to get the item the higher the level of the monsters you have to fight. When you get to floors 10 and 20 there will be a location to heal, save, buy, and sell or HSBS.

Once you have entered Item World you cannot go back the way you came; you can only leave by reaching floor 10 or 20 (and select leave Idem World) or making it to level 30. You can also leave by using Mr. Escape.