Now, you must find three keys scattered across the world.
Walk to the end of this ledge and climb the ladder by the telescope.
Kill the nearby Rudeling and then follow the path right past the large set of stairs.
Keep going along the ledge until you reach a ladder.
Climb down this first set of ladders but don’t take the second set.
Instead, walk left and follow this hidden path around to a lever.
Head through this crack to enter an underground cave.
Wade into the water and follow it right to find another passage.
Walk down this corridor and through more water to find a chamber lit with a dim blue light.
Rest here and then head through the next door to enter a large hallway.
Head up the stairs on the right side here and go through the door.
When you exit the other side, you’ll find yourself on a ledge.
Make your way across while killing any nearby Custodians and use the lever at the end of the path.
Ignore the ladders for now and head through the nearby door instead.
Walk along this path to the end, killing any Custodians you see, and activate the power block.
Head into the next chamber and rest at the save point at the end of the path.
When you’re ready for a boss fight, head up the stairs until you find theSiege Engine.
If you want more help with this fight, check out our Siege Engine boss fight guide.
Simply grab the red key to add it to your inventory and complete the Forest Fortress dungeon.
That wraps up our Tunic Forest Fortress guide.
Your next step is the Ruined Atoll, which you must explore tofind the magic orband thegreen key.
If you haven’t already, verify tograb the wandbefore continuing your quest.
