How do you defeat final boss on jak 2 renegade?

Do What I say and you will win Jak 2:Renegade. First dont use ur vulcan on the Metal Head Leader Kor,save it Simply use your blaster mod keep shooting until you run out of ammo then shoot your vulcan until you win but watch out for the shockwaves and tiny metal heads. Good Luck!! And you can look on IGN.com for the guide which is way better than this.