This may be something you address later on, but I'm curious now, so I figured I'd ask: Is it possible within this world you've created for two or more mages to work spells in tandem, whether they are the same color or not? Because it seems like you could have a red mage create a steady supply of fire and a blue mage direct it to go just about anywhere using winds or something like that. Is this a possibility or would the magics interfere with each other?
Short answer: Yes, combined casting is not unheard of. It takes some work, and isn't necessarily a 1+1=2 sort of deal, but it works. I will go into more detail in the next 'explanation' extra. (Thursday's will be a cover for chapter 2.)
It is something I was intending to bring up in a while, but it would have taken a while to get there.
The long term intent of the extras is to give more information about the topics people are interested in. I have been talking about the magic 'in order' since there have been few questions. So, feel free to ask whatever you want! If there is only one person asking questions, you more or less get a lot of influence over what the extras are, and in what order.
I N F O R M A T I O N
On hiatus. Updating sporadically while the next arc is worked on.