Battle Ring (Mario & Luigi: Dream Team)

At Pi'illo Castle in Mario & Luigi: Dream Team, there is an area called the Battle Ring, in which you fight the ultimate or "X" versions of all the bosses you encountered in the main mode.

You can fight both normal and giant bosses, instead of just normal ones like in Mario & Luigi: Bowser's Inside Story.

Normal Bosses
Grobot X

Bowser and Antasma X

Torkscrew X

Big Massif X

Mammoshka X

Elite Trio X

Pi'illodium X

Antasma X

Bowser Jr. (when doing the Battle Medley

Giant Bosses
Robo-Drilldigger X

Mount Pajamaja X

Earthwake X

Zeekeeper X

Giant Bowser X