It is proverbially dangerous to try to send forces into the wilderness. That is why so many people try to hide there.
Normally they would not be worth pursuing. But if someone is in fact following the forbidden path of lichdom, they must be stopped. Therefore, she is here.
It is a bleak and cloudy hill that she comes to, where a mudslide has revealed most of an ancient stone door that now stands ajar. It is not much work to squeeze herself through: someone has been here before.
...She does not have a great description of the supposed necromancer, but she is not expecting who she finds inside.