These would teach me great if they didn't just spam magic and/or retreat all the time.
The fact that they fly so much also hinders their ability to be viable for offense training, but they hardly teach defenses which is an even bigger issue due to the retreat/spell spamming.
Uzmam! The Chairman will NOT be pleased to know you're trying to build outside of approved zones. I'd hate for you to be charged the taxes needed to have this place re-zoned. Head for the manor if you're feeling creative.
