The Return of the Runelords Adventure Path continues as the heroes must infiltrate the icy realm of a terrible demigod on the Shadow Plane to perform the ritual needed to enter an ancient, time-locked Thassilonian city. Once there, the heroes must navigate a complex web of intrigue, politics, and looming threats to find the key to saving a storied nation from the wrath of a runelord! The City Outside of Time is a Pathfinder Roleplaying Game adventure for 15th-level characters that continues the Return of the Runelords saga. A selection of new monsters, an exploration of artifacts from ancient Thassilon, and revelations about the demigods on the Shadow Plane round out this volume of the Pathfinder Adventure Path.