For Web Spider, hitting him directly with a normal Twin Slasher will only inflict 2 units of damage against him, and four units if Twin Slasher is charged.For Web Spider, in order for him to be stunned and take considerable damage, the blades must be fired at the web that supports him and not at Spider himself. Twin Slasher is effective against Web Spider and General. A charged Twin Slasher is even capable of destroying some rocks in Magma Dragoon's stage. When charged up, Mega Man X fires eight energy crescents forward - four on each side - while shouting, "Feel it!" These crescents are also capable of going through walls and provide a better range than when fired normally. This weapon is fairly weak, but it makes up for it with its wide range, speed and low Weapon Energy cost. Twin Slasher is capable of going through walls and terrain and up to two pairs of Twin Slashers can be fired on the screen at once. These energy blades quickly travel across the screen and gradually increase in size. In normal fire, X shoots out a pair of two purple energy crescents that travel in diagonal directions from each other. This weapon is based off Slash Beast's ability to shoot two crescent-shaped energy beams. Twin Slasher ( ツインスラッシャー, Tsuin Surasshā ) is the Special Weapon that X obtains from defeating Slash Beast in Mega Man X4. This weapon has wide range capabilities making it easy to hit enemies." ―In-game text, Mega Man X4 " Shoots Twin Slasher forward in two directions.