From the Super Mario Wiki
Magikoopa Mob is a Special Attack that Bowser uses in the Nintendo DS game Mario & Luigi: Bowser's Inside Story. It requires Bowser 15 SP to use. It involves having Magikoopas line up in many designs: curves, L's, horizontal lines, vertical lines, etc. The player has to use the stylus to trace their position so Bowser can throw fireballs on the Magikoopas, which they then re-use to attack every opponent with their wands. When the wand has a yellow spark over it, Bowser will throw a fireball on it. If all the Magikoopa's wands are touched, they will create more damage than 4 or 3 of them alone. After about 4 or 5 times, the Magikoopas will walk off the stage, exhausted. To use this move, Bowser must free the Magikoopas from Peach's Castle.
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