Maplestory shadower fourth job advancement!!

Hi all, how you turn your level 120 chief bandit to shadower (after justice) first, there will be an quest on the left of your screen in the bulb, there will be an quest call The Pinnacle Of Strength. After accepting the quest, go to The Forest Of Priest, you can reach there by Leafre: Valley of the Antelope, When you reach Valley of the Antelope there is a portal at the top right corner looks strange, go in and talk to Hellin, she will ask you to beat Mannon and Griffey, the red dragon and the horse bird, after defeating them, Collect the Heroic Pentagon from Mannon and  Heroic Star from Griffey, after collecting them, go back to the The Forest Of Priest and talk to Hellin again, remember to use all your Skill Points and you can become a shadower after talk to Hellin.