Rolling Bar Defense System

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The Rolling Bar Defense System in Mario & Luigi: Superstar Saga
The Rolling Bar Defense System protecting the Green Pearl Bean
“Serious flaw revealed in Rolling Bar Defense System! It is possible to pass through without hitting bars by running hastily in the space between bars! Improvements to the system must be undertaken immediately for the safety of the Pearl Beans!”
—Sign, Mario & Luigi: Superstar Saga

The Rolling Bar Defense System is an obstacle in Mario & Luigi: Superstar Saga and Mario & Luigi: Superstar Saga + Bowser's Minions. It is found in the caves under the Relaxation Room, serving as a tutorial for Mario's new Fire Dash ability and Luigi's new Thunder Tickle ability, and later appears outside in Gwarhar Lagoon as well as at Joke's End and Bowser's Castle. The Rolling Bar Defense System is a series of spiky tubes that infinitely roll between platforms. Two of these systems are placed just before the Red and Green Pearl Beans in order to protect them. The tubes before the Red Pearl Bean move quickly, but they can be evaded by using Fire Dash to run between them. The tubes before the Green Pearl Bean move slowly, but the path forward requires staying between two tubes for a short while to reach an exit unaligned with the entrance, while the tubes are so close together that moving around normally will cause the Mario Bros. to collide with a tube. Thunder Tickle allows the Mario Bros. to move around without changing their combined width, so they can fit between the tubes and reach the exit. If either Mario or Luigi comes into contact with one of the bar's spikes, they are both sent flying into the air and back to the start.

Names in other languages[edit]

LanguageNameMeaningNote(s)Ref.
ItalianBarra rotanteRotating bar[?]
Barre rotanti del sistema di difesaDefense system's rotating bars[?]