Deep in Thay, a nation notorious for its tyrannical, red-robed wizards, secrets are passed in the dark and a looming threat of unimagined power seeks to crumble societies. Dive into the world of enchanted espionage, fragile alliances, and clandestine missions in Arcana Unleashed: Deadfall, a magical spy thriller adventure built for high level play. This book includes a level 11 to 20 adventure, Thay Gazetteer, 14 magical items, 6 high-CR creatures, 5 chapters with more than 20 dedicated maps, and advice for running adventures in Thay.