Monster Manual 5th edition is a core sourcebook for the 5th edition of Dungeons & Dragons, published by Wizards of the Coast on September 30, 2014. It covers a range of monsters for the game. Those relevant to Ravenloft are listed below.
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The A to Z Fantasy Bestiary'
The Monster Manual presents a horde of classic Dungeons & Dragons creatures, including dragons, giants, mind flayers, and beholders—a monstrous feast for Dungeon Masters ready to challenge their players and populate their adventures.
The monsters contained herein are culled from the D&D game's illustrious history, with easy-to-use game statistics and thrilling stories to feed your imagination.