Start by entering the trapdoor located north west within Lumbridge Castle
Start by entering the trapdoor located north west within Lumbridge Castle. When you are inside an cultist cave, look behind the man who is talking to OSRS Gold cultists . In the cave - just beneath the wall - there's a hidden trapdoor. If you do not see it then you probably haven't completed that Death of the Dorgeshuun quest. Inside, you'll be able to spot H.A.M. guards , and these are...