in the forest to the orc camp, there will be several lights hanging on the trees. if interacted with within a specific pattern, a path will open up by the wagon
in the area between the village and the orc camp, there you will find a broken down wagon. in the canopy of the trees, you'll find several interactable lights which if you click on, they should light up. light them up in a specific pattern and the way to the mansion will reveal itself next to the wagon