When the battle first starts, notice the VS will fly around, doing various 
little spinning attacks. Fly
towards him. While doing this, hold LT then release when next to the Boss 
(to do a horizontal slash).
This takes a rather sufficient amount of health from the Boss. Upon doing 
this occasionally you can
also score a second hit, but be cautious of the homing missiles. The Boss 
will dart around shooting
little lasers at you. This is easily avoidable; simply follow in his 
direction to miss the attack totally. Be
aware, when the boss reaches around 30% health it will call up two laser 
weapons. These will do
massive damage if they hit you. One is horizontal, and the other is 
vertical. Notice when he gets ready
for this attack that he will throw his arms forward. This is your cue to get 
as far back as possible. The
range on the lasers are fairly weak. When he is done, he will stand still 
for a brief moment and shoot
missiles from his shoulders. Usually this is your cue to go in; the choice 
is yours to do so. The Boss
does not have much of a pattern. Remember hold LT until you are directly on 
him and release.
About nine well-placed slashes are required to defeat the Boss.