Capcom Database

Below is a list of Special Weapons obtained by defeating the Robot Masters in the game Mega Man 8, how Mega Man can use them to his advantage and the Robot Master/boss who is the most vulnerable to them.

Special Weapons
Name Astro Crush
Robot Master Astro Man
Abilities Creates a meteor storm that hits all enemies on the screen, and Mega Man is invincible for a short time when using it.
Against Aqua Man
Name Flame Sword
Robot Master Sword Man
Abilities A close-range weapon capable of igniting obstacles and enemies.
Against Search Man, Frost Man
Name Flash Bomb
Robot Master Grenade Man
Abilities When it hits a wall or an enemy, its explosion stays on the screen for a while, causing multiple hits. Can also light dark areas.
Against Frost Man
Name Homing Sniper
Robot Master Search Man
Abilities A crosshair appears on an enemy it's locked on and a missile shoots out to it. Chargeable.
Against Astro Man
Name Ice Wave
Robot Master Frost Man
Abilities Sends a flow of ice along the floor until it hits a wall. It can freeze enemies and even damage some of them.
Against Tengu Man
Name Thunder Claw
Robot Master Clown Man
Abilities Shoots out a stretching beam of electricity which Mega Man can attach to hooks and swing from them.
Against Grenade Man
Name Tornado Hold
Robot Master Tengu Man
Abilities Drops a fan on the ground that creates a tornado that can trap and/or damage enemies.
Against Clown Man
Name Water Balloon
Robot Master Aqua Man
Abilities Sends a sphere of water at a low arc.
Against Sword Man