Bring Down the House Achievement
Exploring the entirety of Fort Walcott will grant you this achievement. You’ll need to explore every nook and cranny of the place before you unlock it.
Remember to speak to Peg Leg to learn about his trinkets while you’re there. When you find the trinket regarding Lucky Lem, visit the now unlocked area using the Aquila. Complete the area, and it will unlock during the final cutscene.
