to enter fargrove
1) go to campfire,talk to the messanger get letter
2) go to city gate, talk to the guards try and enter
3) Turn to leave
4) there should be a gobin, talk to him he will offer to show you a way in. let him,Follow
him
5) finish everything up out side as when you enter there no going back. flip switch and
enter the sewers. travel threw the sewers and it will lead you out, it a hard fight but do
able you may wish to set the encounters at less and easy so you can make it.