How to Infinite Mana Exploit – Hero’s Hour

I just stumbled on this on our recent Twitch Stream so it can still be optimized to be even more broken. So what is happening? We have ~700 Mana… always… for every fight… forever 😀 No units needed, no artifacts, nothing really special. So what can you do with this? How about making the game break and stutter with the amount of Elementals you can summon? Just bonkers 😀