it'd take a lot of work to balance probably. in the same lane as this hero idea, having a hero that could blow up enemy camps while they are farming them would be hilarious; or if a hero could use their team's farm resources as ammo for attacks (losing/sacrificing the souls in order to deal...
I think it would add another dimension to hero abilities if there was a hero that could specialize in playing around troopers. some of my general ideas:
Hero ult transforms troopers into seeking missiles, animals, super-troopers, etc. to push lane and/or seek out enemy players directly
basic...