New player, Help with three mage gate?

I've been trying to catch up, as I have never really played much until now. I've started the 3-2 mission, "written in the stars". I've managed to make it to the three mage gate, though now I'm unable to progress. Is there anyone that is online that can assist me in opening this thing? I finally resubbed in order to progress the story, only to immediately hit this roadblock :/

Any help would be appreciated! Thanks, guys!

When in a town/city area, use /yell function to ask for help. that might easily solve the problem faster than asking in here and waiting for people to get on coordinating help.