The Up Arrow is an important item found in Paper Mario: The Thousand-Year Door that is very valuable.
When Mario returns to Merlon, Merlon wonders what it means. Then, Merlon tries flying up and sees what happens. Merlon discovers an Ultra Stone that he bought from a Flea Market long ago, put in his attic and forgot about. With the Ultra Stone, Merlon can now upgrade Mario's partners twice.
The Up Arrow is an important item found in Paper Mario: The Thousand-Year Door that is very valuable.
When Mario returns to Merlon, Merlon wonders what it means. Then, Merlon tries flying up and sees what happens. Merlon discovers an Ultra Stone that he bought from a Flea Market long ago, put in his attic and forgot about. With the Ultra Stone, Merlon can now upgrade Mario's partners twice.