Once in a generation a mage is born who is so powerful they can’t be beaten by ordinary force, they are called nymphomages, and they get their force by engaging in sexual acts. You are the only last living nymphomage, and the whole world is against you, luckily they don’t know who you are (yet).

Guides
Horny Witch: Hunt – How to Get The Ugliest Man Achievement
The Ugliest Man Achievement Guide It’s unlocked by having sex with Martin. Here’s a few tips. Spoilers!