From the campaign:
Ain't no Heroes in this game, you play Blackroot Orcs delving the dungeon for loot and teef, that's right you are smashing the faces of your enemies for teef.
Each hero has a set of weapons and ability cards that require energy to use, you gain energy by rolling the attack and defence dice, once you have enough energy you can unleash these devastating attacks on your enemies and that energy you used turns into experience, gain enough experience and you can level up your abilities.
The Kickstarter campaign is up and running now. It's about 1/3 of the way to its goal with still 27 days left to go.