The portal'd take you to a copy of the Wizards' Tower. Enter the door of the second tower and talk to Sedridor. He will ask you to wait in the library because you're early. Tell Sedridor you're there to help and he will explain that he does need it, because all the other early arrivals (wizards from the Wizards' Guild) are only there to criticise. He will tell you who needs help and where. And indeed, the small library contains Wizard Distentor, Zavistic Rarve and Wizard Frumscone who do nothing but negatively speak of the Tower wizards and the banquet, although they are quite friendly to you. You can help the wizards in any order.