Here is a build I made after looking over his talents for a good while.
http://www.heroesnexus.com/talent-ca...RbRUReRIPiRyAA
So the focus of this build is really living bomb, and from playing a mage so much in wow I can easily see where they copy and pasted fire's mechanics (some of them, which is good, it's keeping it similar to a real fire mage, which is the goal).
So let's say for a team fight, it's 5v5. What do you do with this build?
First you flamestrike, does aoe dmg and applies living bomb to everyone.
Secondly you verdant sphere into a free living bomb and it removes the CD
Third you re-apply living bomb, which makes the targets LB explode, re-applying it to that target and all the heroes around them.
Fourthly, this is where it gets confusing, because with these talents when LB explodes it re-applies LB, if it's a chain reaction will it continously re-apply LB to every hero? And when the explosion re-applies LB does it then make the LB explode? Because this is where it can get tricky. You would potentially have LB's constantly exploding.
So let's assume they all re-apply at the same time and the explosions don't keep on going off, you've effectively provided 3 LB explosions which is an aoe on 5 targets, so 15 total explosions, and a flamestrike.
I'll definitely need to test this stuff out once he's available, but I see the potential of him being EXTREMELY strong in huge team fights. His aoe potential could be absolutely crazy.