Brute Force Battle
From the Super Mario Wiki
Brute Force Battle is a level in Bowser's Castle in the Bowser Jr.'s Journey mode of Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey.
The level is the only level in the game's storyline to feature Broozers and Chargin' Chucks and has four battles. The first battle starts off with five Chargin' Chucks with one of them being infected with Malatone Formula:X, two Spikes, and a Broozer first officer and captain. The second battle has the same exact formation, but with Broozers as troops and Chargin' Chucks as the first officer and captain. The third battle three Chargin' Chucks, with one of them having been infected with Malatone Formula:X, four Spikes, and a Spike first officer and captain. The fourth and final battle has two Broozers, two Bullies, three Spikes, a Spike first officer, and a Chargin' Chuck captain infected with Malatone Formula:X.