To become a part of the Red Church you must complete your final challenge: obtain The Revered Mother's obsidian key and conquer the Hall of Pockets! Not only will you get points for your stealth, but you'll also get two deadly charms to go with your key: Mia's gravebone dagger and a vial of poison that is Spiderkiller approved.

•  Key design by @dustandpages, with dagger inspiration by @cakeandmadness and @bunnymittens
•  Key measures 4.7 inches (12 cm) long, dagger 2.4 inches (6 cm), and vial 2.8 inches (7 cm)
•  Part of the © Jay Kristoff Nevernight Collection