Who's Furlbog?

How to complete quest "Cleansing the Afflicted"?

Furlbog are probably those Blackwood monsters with spear (yellow fur) and with magic attack (black fur).

Below are steps to 'cleanse the afflicted':

1. Attack Maddened Blackwood or another kind of Blackwood monster. Get it to less than 25 percents health.
2. Click the herb's icon to use it.
3. Kill both furlbog and slime.