The infamous Gestalt forms of Devastator, Menasor, Superion, and Defensor could sway the tide of any battle to which they've been deployed, and now it's your chance to join those ranks! This sourcebook presents everything that players need to create a Combiner character, as well as everything a Game Master needs to run a Combiner campaign. This sourcebook introduces a multitude of new Influences, Origins, and Role Focuses to help build your character. There are several methods your characters can use to join with others, be they Binary Bonded or a member of a Gestalt Team. Explore how to run your own Combiners campaign and JOIN TOGETHER! The Enigma of Combination requires the Transformers Roleplaying Game Core Rulebook to use.