^Above means (SPOILER)Garuda

If you are talking about (SPOILER)Demon Wall, then go to the next area which is just straight from your current place. In the next area, there's two way, one going north, one going south, choose which do you want to go first and search for a switch, then go south and do the same, lastly, use the opened path to get to a room which takes you to (SPOILER)Belias.