I CAN'T FIND THE TRIGGER FOR THE "DOOR." How do I open the Door?

Question: I CAN'T FIND THE TRIGGER FOR THE "DOOR." How do I open the Door?

Answer: First you have to action a levier or a trigger in Castle conquest (rooms to the east right after the entrance) and then you have to go to the last room of dread moutain. You will have a sequence and your team will be searching the secret passage. You will know when you are here. The trigger in castle conquest, the secret passage in dread moutain, last room in the middle of the "middle wall".