What Are Sprite Bulbs Used For In Mario and Luigi: Brothership After progressing a bit further into the game, you'll unlock Battle Plugs, which are crafted using Sprite Bulbs.

There are 18 Sprite Bulbs on Mario and Luigi: Brothership's Raynforst Island - here's how to find them.

In total there are 28 Sprite Bulbs to be found on the island, spread out between 11 locations. After interacting with a Sprite Bulb and releasing them, they will run around and you'll simply need ...