He will now be found on the 1st2nd floor[U.K. floor], in the room with the cauldron. Go up the main staircase and head to the eastern room. He won't show up as a yellow dot on the minimap until you have entered the room.
Travel to Entrana. (No weapons or armour are allowed)
Talk to the high priest in the church up until the old crone joins the conversation.
Travel to Draynor Manor's top floor's southern room and pick up 2 magic whistles. (They won't show up as a red dot on the minimap until you have entered the southern room)
Get armour, Excalibur and food to fight The Black Knight Titan.
Travel northwest of Brimhaven to the northwestern peninsula (see the minimap image). To quickly travel to Brimhaven, teleport to Ardougne and take the boat (Plague City must be completed in order to use an Ardougne teleport.), otherwise take the boat from Port Sarim to Karamja.
Stand under the tower and blow a magic whistle to be teleported to the Fisher Realm.