Synthasy 1.0
A downloadable TTRPG
Welcome! This is Synthasy: a renaissance-fantasy ttrpg that I've been working on for a long time in early beta. Buying this version of the game will allow you access to every version of Synthasy until official launch.
This version includes 12 classes, 8 races, 39 subclasses, 400+ unique spells, rules, magic items, backgrounds, rules, roleplay elements and more! I'm so happy to finally be bringing you the full beta with everything mechanically intended for the Core Rulebook (for now). I'll still be tinkering with options and mechanics and still plan to add more through what will one day be expansion books for the game.
Until then, I can't wait to hear what kind of stories you create with this!
[Don't forget to join our Discord community using the Text file included with the game files!]
New in this update:
New to this update is the real final class: The Seer. Once known as the Sorcerer, this revamped spellcaster finds a unique connection with the magical world around them through the discovery of their True Name, awakening their senses and body to the true potential of magic within them.
Alongside the Seer, come the following changes
- Added the Ring of Respite, Path of Survival, Augury Domain, Aspect of Storms, Duelist, Spectator, Order of Quietus, Oath of Emanance, and Stargazer subclasses
- Reworked Champion’s Exalted Conduit and Transcendent Burst (Now Controlled Transcendence) features for the Champion (as well as their standard power in chapter 7)
- Altered the Shining Absolution feature for the Light Domain Champion to fit the new changes
- Gave the Champion the Erupting Divinity feature at 9th level
- Reworked Short Rests
- Added Coup Dice optional rule
- Added the Merciful Drowning optional rule
- Added the Spellflex sidebar in chapter 12
- Added the Character Lens section to chapter 4
- Added the Mounts and Vehicles, Lifestyle, and Services sections to Chapter 5
- Changed the saving throw proficiencies of Bard, Druid, and Sorcerer for greater accuracy and diversity
- Gave Wizards more starting weapon choices
- Revised the Path of Cycles Bastion subclass into the Path of Evolution
- Added the Bramble Blade, Disorient, Frost Blade, Frostbite, Haunting Visage, Healer’s Mark, Houndmaster’s Mark, Inconspicuousness, Mass Agony, Mental Duel, Mischief Makers, Mystic Blade, Pause, Phantom Edge, Scorch, Shadow Feint, Translate, Voltaic Web spells
- Reworked the Detect Magic and Slow spells
- Renamed the Bastion Path of Shelter into the Path of Protection
- Rewrote the Spell Level and Spell Slots section of chapter 12 for clarity
- Made some refinements to the class summaries in the class prologue for greater accuracy
- Added clarifications for Attacks of Opportunity in chapter 11
- Typos and formatting throughout
- Changed the format to a zip file with each of the chapters in separate pdfs since the merged pdf was too big and didn’t load properly
| Updated | 19 days ago |
| Status | In development |
| Category | Physical game |
| Author | Synthasy TRPG |
| Genre | Interactive Fiction, Role Playing |
| Tags | Action RPG, Fantasy, LGBT, LGBTQIA, Tabletop, Tabletop role-playing game, Turn-based |
| Content | No generative AI was used |
Purchase
In order to download this TTRPG you must purchase it at or above the minimum price of $15 USD. You will get access to the following files:

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