Dungeons & Dragons: Onslaught – Tomb of Horrors: Maps & Monsters Expansion (2026)

Overview

In a desperate attempt to survive the infamous Tomb of Horrors and its many perils, you must join forces! In this solo or co-op expansion for Dungeons & Dragons Onslaught, players guide their adventuring parties in a treacherous gambit to make it through the dungeon. The map layout and its dangers are randomly generated each time to make each delve unique. You'll be on the edge of your seat with a variety of lethal monsters and traps you'll need to outlast before conquering the evil demilich!

Product Highlights:

Experience the renowned Tomb of Horrors adventure module, notorious for its challenging plot with Onslaught gameplay! Every game generates the map and dangers randomly; each delve is a unique experience! Features brand new cooperative gameplay, map tiles, monsters, cards, and scenarios. It's time to team up! Players may use characters and treasure cards from any of the released D&D Onslaught expansions. Players can upgrade the included monster tokens to miniatures using suggestions from our D&D Miniatures lines!

—description from the publisher