The scenario we had was:
- Dementor: reward is - gain 1 heart, remove 1 from location
- Fenrik: heros can not gain hearts
- Crouch: heros can not remove from location
So, if we defeat the Dementor first, is the reward essentially wasted, due to the other villains, or does the reward still apply since it is not a 'hero' triggering the effect?