you don't
He is always in the castle in the commons.
you unlock it by doing quests for professor ambrose
Well, once you reach a certain point in the game, Professor Ambrose will call you and give you a quest to defeat Foulgaze. After that you battle Lord Nightshade.
Once you are ready to go off to Krokotopia, Professor Ambrose will give you a key and ask you to enter.
you get to fight malistare and ride the drake i am so good i got to fight head master ambrose HE IS FREAKIN HARD
When you come out of professor ambrose's house, turn right to the shopping district, Then, take the next right and walk straight foward to a tunnel.
at the entrance of headmaster ambrose's house
You have to get the task from Headmaster Ambrose to get to Krokotopia.
The headmaster, Merle Ambrose, is located in the commons, in the "Headmaster's tower"
Rub your belly and pat your head! Sucka!
Completing quests for the professor will allow you to get past the gates on wizard 101. Each quest received by talking to different people will open a different gate to the wizard 101.
From the headmaster merle ambrose. or people with a exclamation point over there head