Erase that graffiti!

Erase that graffiti! is the thirtieth and the final Trouble Center mission in Paper Mario: The Thousand-Year Door, initiated by Swob. Along with the twenty-eighth and the twenty-ninth missions, it is accessible only after defeating the Shadow Queen.

Mission
Mario must head to Fahr Outpost to find Swob, who tells him of some graffiti on the fiftieth floor of the Pit of 100 Trials. Mario must head there and use Admiral Bobbery's ability to destroy the graffiti. Afterward, Mario must return to Swob, who rewards him with a Snow Bunny, and the trouble is solved.

In-game description

 * "I need someone to go to 50th floor of Pit of 100 Trials for me, SHA-BOOM! So I need someone pretty tough, SHA-PLOWIE! For details, please see me next to cannon statue in Fahr Outpost, SHA-BOOMITY!"