In this D&D 5e adventure, the Clockwork Tower, an enigma of whirling gears and steam, materializes in Esherton. This is the once-lost workshop of Constantine Chronosmith, who disappeared a century ago amidst time-altering experiments.

The Codex includes new content to bring different styles and settings to your Monster of the Week games. It’s written by Michael Sands and Marek Golonka, and being developed in partnership with Evil Hat Productions.