"You are the only one that can Banish Faugrimm. Do it now!"
Banish the evil Faugrimm back to his realm.
Click on Faugrimm to Banish him.
"Why do I feel like he will be back..."
- Apparently, Faugrimm is as weak as a Gloom Rat - you only need to hit him three times in order to banish him.