Passport

A Passport (通行手形) is an item in Dokapon Kingdom that can be obtained in Chapter 8 of Story Mode. An adventurer can only obtain it by giving up 1/4 of their current towns to the Gates of Heck. If they do not have any towns, they are unable to obtain a Passport from the Gates of Heck.The Dokapon Library (July 13, 2022). "Trying to Enter the Underworld without Any Towns | Dokapon Kingdom" – via YouTube. The Passport is required in order to gain entry into the Underworld. As long as the adventurer has it in their inventory, they can move free between the world map and the underworld. If it becomes lost, another can be obtained at the Gates of Heck. 
Alternatively, the player can take a Passport from another player by defeating them in a battle, or by using an Item Trickster or with the help of Risque; since the Passport doesn't have a dedicated owner, the player can use it to enter the Underworld without sacrificing towns.
==References==
Category:Items
Category:Dokapon Kingdom items