Trio Attack Hammer

The Trio Attack Hammer is a special item given to Paper Mario in Mario & Luigi: Paper Jam after saving all of the Paper Toads in Peach's Castle. Paper Mario can use the Trio Attack Hammer along with Mario & Luigi to paperize all of the enemies on the screen, which starts one of five Trio Attacks.

Trivia

 * During the final battle against Shiny RoboBowser, the Bowsers get their own version of the Trio Attack Hammer.
 * The design of the Trio Attack Hammer resembles the Ultra Hammer from the Paper Mario series, except it has its colors switched and a star on its end.