A downloadable PDF

Buy Now$29.99 USD or more


Want to customize existing monsters or build your own from scratch? Now you can!

Inside, you’ll find over 1,800 exciting new ideas and inspiration for:

  • Every Creature and Damage Type
  • Melee, Ranged, and Natural Weapons
  • Psionics, Psychic Powers, and Telepathy
  • Innate Spellcasters and Spell-Like Abilities
  • Running Monsters as Enemies and Allies

Plus Monster, NPC, and PC rules for:

  • Advantages and Disadvantages
  • Combat Tactics and Training
  • New Professions and Downtime Activities

We even include some example monsters we've revised with extra traits, actions, and reactions to show you how to use the system we provide. This book has everything you need to make 5th Edition (5e) monsters and NPCs mysterious and dangerous, the way they should be! 

This mammoth GM's guide makes a great gift and is perfect for quickly customizing existing monsters in-game AND a fun shortcut to reduce your prep time when creating monsters or NPCs from scratch. Whatever you need, whenever you need it, the Game Master's Guide to Traits and Actions has you covered!

This 5e handbook is fully compatible for use with the 5e, the 5th Edition of the world's greatest fantasy roleplaying game, but to make full use of it, you also need a copy of the PHB, DMG, and MM.

Check out our 250 Best Magic Items books for all your favorite character classes, including barbarians, bards, clerics, druids, fighters, monks, paladins, rangers, rogues, sorcerers, warlocks, and wizards! And don't miss our Extreme Encounters and Game Master's Guide series for 5e gamemasters.



"Just tons and tons of [incredible] options... [if you want  to customize monsters and NPCs] this is a good book for you!"

-- Splinterverse (YouTube channel)


"...This book is packed with some amazing content that will put your game and gaming experience on another level. Well worth the cover price. Buy this book, use it, and watch as your games become more exciting than ever!"

-- Amazon reviewer


"Another great Magegate product. The book is jam packed with ideas on how to add extra abilities to well known NPC and foes in 5E."

-- Amazon UK reviewer


"A TON of information regarding Traits. This book gives the GM a lot of different traits to choose from, some are mild, some are powerful. All of them appear to be balanced and can add depth to a campaign."

-- DTRPG Reviewer


Buy Now$29.99 USD or more

In order to download this PDF you must purchase it at or above the minimum price of $29.99 USD. You will get access to the following files:

GMG2-Traits-Actions-v2.pdf 30 MB

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