In Mario & Luigi: Dream Team, Fire Flowers are used in the Luiginary Attack move Luiginary Flame. It is also used in the Bros. Attack of the same name that is part of Luigi's moves. With this move, both bros throw fireballs at enemies, damaging them all. Press and to charge the fireball to the maximum size and damage and throw it. After enough successful fireballs are thrown, Mario and Luigi can throw as fast as you hit and .
The greater the amount of fireballs thrown, the better the ranking the player receives in the aftermath of the attack, ranging from "OK!" to "Excellent!" ratings, and if you get "Excellent!", then you can rapidly throw fireballs. The damage dealt from this attack is given a Fire attribute, and thus deals critical damage to Caccacs and Beehoss.