The wiki says there’s one
- Go home
- Seek vengeance against your home
- Seek justice for your home
Right. If you choose either Kill Her or Let Her Go after you defeat Lethice, you'll be presented with a followup choice -- Go Home or Claim Fortress. Click "Go Home."
There are no special prerequisites to take either of those endings.
There’s no option of killing her
...What version are you playing?
That's really weird; must be a bug. :/
Is it possible to fix?, I’m surprised that no one reported it before
Would be, if CoC was ever gonna get patches again.