If you have been exploring Tidefall, you would have definitely stumbled across the large Tidefall Castle on the western side of the map. Though players can fish outside the Tidefall Castle, the inner door remains sealed and can only be opened if you solve the puzzles revolving around the Obelisk present all around the Tidefall. So, if you are unsure how to go about the puzzle and want to fish inside the Tidefall Castle, here is a detailed guide about it.
