"Mystery Gate"@en . "Mystery gates are a new addition to Disgaea 2's Item World and onwards. These gates will spawn after three floors have been cleared or skipped. When the player enters the gate, one of many things will happen:"@en . "Mystery gates are a new addition to Disgaea 2's Item World and onwards. These gates will spawn after three floors have been cleared or skipped. When the player enters the gate, one of many things will happen:"@en . . . .