The Duelling Pit 8x8 forces player conflict early in the game while the Battleground 16x16 board encourages more deployment before the conflict stage.
Rules and elemental circle are in the Docs section of the module.
A minor award
Alchelemental took First Place in the Heavy Games category of the 2017 Board Game Geek 2 Player Print-and-Play Contest.
However, it did not even show in any other categories and the Heavy Games category voting only showed 5 games receiving any votes.
We're Number One ! (of five).