Scramble Thunder is Fuse Man's weapon and one of the weapons from Mega Man 11.
When used, the player character shoots an electrical spark that can be shot only up or down and divides in two sparks upon collision with terrain. These sparks travel across the terrain and are small enough to pass through tight spaces. After defeating an enemy, the Scramble Thunder leaves a residual big spark for a while. If it destroys a Weapon Block of the Scramble Thunder or attacks an enemy without destroying it, the spark just disappears.