• Classic fantasy monsters, such as ogres, dragons, water elementals, and giants.
• New monsters suitable for any fantasy or science fantasy world, such as ambush hags, virtuoso liches,
• fey guardians, mechadrons, and robots.
• New terrors from the ever-corrupting Void, such as voidlings, star crows, crimson jellies, and the mighty void dragon.

The Monster Vault contains all the information a GM needs to create encounters with monsters, including monster roles and tactics, guidelines for modifying monsters to fit your campaign, optional rules for Doom points, and rules for characters wanting to harvest monsters for unique crafting and spell components.