John Carter of Mars: Prince of Helium Era

Explore the golden age of Barsoomian adventure and romance with this definitive era sourcebook from Modiphius Entertainment. Designed to expand the John Carter of Mars roleplaying system, this 128-page full-color supplement guides players and narrators deep into the epic events, themes, and conflicts inspired by the classic Edgar Rice Burroughs novels The Gods of Mars and The Warlord of Mars.

* Novel-Driven Campaign Guidance: Provides extensive narrator advice on framing campaigns around the sweeping storylines of the second and third books in the series, helping groups create high-stakes narrative arcs across the Red Planet.
* Advanced Character Heritages: Introduces complete character generation options, pre-made talents, unique flaws, and custom attributes to play as characters from the Okar (yellow Martians), First Born (black Martians), and white Martian cultures.
* Expanded Renown and Accolades: Features detailed mechanical rules for spending your character's hard-earned accolades and regional renown, offering specialized ways to gain political influence and prestige among the grand city-states.
* Strange Technology and Powers: Overhauls your campaign's available arsenal with rare technological advancements, wondrous artifacts, and mysterious Martian powers for player characters to safely acquire or desperately track down.
* Troupe and Supporting Play: Introduces comprehensive optional mechanics for using secondary supporting characters alongside innovative guidelines for legacy and troupe-style play to smoothly manage multi-generational party structures.
* Core Rulebook Required: Built strictly as a setting and mechanical expansion; a copy of the John Carter of Mars - Adventures on the Dying World of Barsoom core rulebook is required to utilize this supplement.