Laser Trident is Splash Woman's weapon from Mega Man 9. Mega Man shoots out trident heads, similar to how Wave Man shoots harpoons.
The Laser Trident is a very useful weapon to have. Not only does it bypass enemy shields such of that of the shield attacker and sniper joe, but it can destroy certian objects other weapons cannot. You can fire 2 shots for 1 bar of weapon energy giving you a total of 56 shots.