Cosmere 5e: Homebrew 1200-page D&D TTRPG for the entire cosmere (Stormlight, Mistborn, Warbreaker, Elantris, etc.)

[miscc]

Hello! Hopefully this is the best forum to post this.

Some of you may remember a post I made about a year and a half ago about a D&D 5e-inspired, cosmere TTRPG I was working on that I called Cosmere 5e. Some of you have even reached out to me about campaigns you were running using my material! At the time, I really only had some classes based on The Stormlight Archive in a format similar to the D&D 5e Player's Handbook.

Well, I've been working on it since, and I'm ready to release the rest of what I've made for you to hopefully play while you wait for the official Cosmere RPG. Combined, all the resources below total over 1200 pages (seriously, 1200 pages) with 40 Identities (equivalent of D&D races or species), 13 full classes, 600+ Invested Arts (equivalent of D&D spells), 100+ stat blocks for cosmere creatures, and 450+ Invested items (equivalent of D&D magic items).

NOTE: A lot of what you'll find here is not canonical, because that is the result of me trying to make enough things to fill up an entire TTRPG. I tried to keep the spirit of the cosmere and its magic systems in everything I made, but pushed the bounds of Investiture a lot as I created things. Oh, and the entire thing has spoilers for the entire cosmere, including Wind and Truth.

Here are all the resource books:

• Radiant's Handbook (version 2.0)
  • Nine Knights Radiant classes, Rosharan Identities, how to create a character a play.
• The Invested Arts of the Cosmere (version 2.0)
  • Surgebinding, Allomantic, and Aonic Invested Arts, including hundreds of Aons Elantrians must study.
• Hoid's Guide to the Cosmere
  • Dozens of Identities from non-Rosharan planets, plus the Awakener, Elantrian, Feruchemist, and Mistborn classes.
• Creature Compendium
  • Stat blocks for cosmere creatures.
• Invested Items Collection
  • Over 450 Invested items, including fabrials, Allomantic beads, metalminds, soulstamps and bloodseals, polestones, Hemalurgic spikes and rules for Hemalurgic corruption, Aonic-powered items, Nightblood, primer cubes, Shardplate and Shardblades, Soulcasters, plus beads and metalminds and tools made from God Metals or God Metal alloys.
• Character Sheet (version 2.0)
  • DND Beyond-style character sheet in built in Google Sheets.
• Changelog and Feedback
  • Changelog and Feedback submitter.
• r/Cosmere5e
  • Subreddit!

Thank you so much for reading, and please do let me know your thoughts and feedback if you end up playing, running a game, or reading through!

[CoderDrag0n8 He/They]

On 4/5/2025 at 6:45 PM, miscc said:

Hello! Hopefully this is the best forum to post this.

Some of you may remember a post I made about a year and a half ago about a D&D 5e-inspired, cosmere TTRPG I was working on that I called Cosmere 5e. Some of you have even reached out to me about campaigns you were running using my material! At the time, I really only had some classes based on The Stormlight Archive in a format similar to the D&D 5e Player's Handbook.

Well, I've been working on it since, and I'm ready to release the rest of what I've made for you to hopefully play while you wait for the official Cosmere RPG. Combined, all the resources below total over 1200 pages (seriously, 1200 pages) with 40 Identities (equivalent of D&D races or species), 13 full classes, 600+ Invested Arts (equivalent of D&D spells), 100+ stat blocks for cosmere creatures, and 450+ Invested items (equivalent of D&D magic items).

NOTE: A lot of what you'll find here is not canonical, because that is the result of me trying to make enough things to fill up an entire TTRPG. I tried to keep the spirit of the cosmere and its magic systems in everything I made, but pushed the bounds of Investiture a lot as I created things. Oh, and the entire thing has spoilers for the entire cosmere, including Wind and Truth.

Here are all the resource books:

• Radiant's Handbook (version 2.0)
  • Nine Knights Radiant classes, Rosharan Identities, how to create a character a play.
• The Invested Arts of the Cosmere (version 2.0)
  • Surgebinding, Allomantic, and Aonic Invested Arts, including hundreds of Aons Elantrians must study.
• Hoid's Guide to the Cosmere
  • Dozens of Identities from non-Rosharan planets, plus the Awakener, Elantrian, Feruchemist, and Mistborn classes.
• Creature Compendium
  • Stat blocks for cosmere creatures.
• Invested Items Collection
  • Over 450 Invested items, including fabrials, Allomantic beads, metalminds, soulstamps and bloodseals, polestones, Hemalurgic spikes and rules for Hemalurgic corruption, Aonic-powered items, Nightblood, primer cubes, Shardplate and Shardblades, Soulcasters, plus beads and metalminds and tools made from God Metals or God Metal alloys.
• Character Sheet (version 2.0)
  • DND Beyond-style character sheet in built in Google Sheets.
• Changelog and Feedback
  • Changelog and Feedback submitter.
• r/Cosmere5e
  • Subreddit!

Thank you so much for reading, and please do let me know your thoughts and feedback if you end up playing, running a game, or reading through!

This is so cool! I wish I had time to read through it all, but once I do, I'll post an actual proper review and make a character!

[Tinwatcher I don’t mind]

On 4/5/2025 at 7:45 PM, miscc said:

Hello! Hopefully this is the best forum to post this.

Some of you may remember a post I made about a year and a half ago about a D&D 5e-inspired, cosmere TTRPG I was working on that I called Cosmere 5e. Some of you have even reached out to me about campaigns you were running using my material! At the time, I really only had some classes based on The Stormlight Archive in a format similar to the D&D 5e Player's Handbook.

Well, I've been working on it since, and I'm ready to release the rest of what I've made for you to hopefully play while you wait for the official Cosmere RPG. Combined, all the resources below total over 1200 pages (seriously, 1200 pages) with 40 Identities (equivalent of D&D races or species), 13 full classes, 600+ Invested Arts (equivalent of D&D spells), 100+ stat blocks for cosmere creatures, and 450+ Invested items (equivalent of D&D magic items).

NOTE: A lot of what you'll find here is not canonical, because that is the result of me trying to make enough things to fill up an entire TTRPG. I tried to keep the spirit of the cosmere and its magic systems in everything I made, but pushed the bounds of Investiture a lot as I created things. Oh, and the entire thing has spoilers for the entire cosmere, including Wind and Truth.

Here are all the resource books:

• Radiant's Handbook (version 2.0)
  • Nine Knights Radiant classes, Rosharan Identities, how to create a character a play.
• The Invested Arts of the Cosmere (version 2.0)
  • Surgebinding, Allomantic, and Aonic Invested Arts, including hundreds of Aons Elantrians must study.
• Hoid's Guide to the Cosmere
  • Dozens of Identities from non-Rosharan planets, plus the Awakener, Elantrian, Feruchemist, and Mistborn classes.
• Creature Compendium
  • Stat blocks for cosmere creatures.
• Invested Items Collection
  • Over 450 Invested items, including fabrials, Allomantic beads, metalminds, soulstamps and bloodseals, polestones, Hemalurgic spikes and rules for Hemalurgic corruption, Aonic-powered items, Nightblood, primer cubes, Shardplate and Shardblades, Soulcasters, plus beads and metalminds and tools made from God Metals or God Metal alloys.
• Character Sheet (version 2.0)
  • DND Beyond-style character sheet in built in Google Sheets.
• Changelog and Feedback
  • Changelog and Feedback submitter.
• r/Cosmere5e
  • Subreddit!

Thank you so much for reading, and please do let me know your thoughts and feedback if you end up playing, running a game, or reading through!

I might run this for a one shot 

[Through The Living Ash he/him]

I love this! I've been trying to figure out how to do something similar, and this is exactly what I was going for. Thank you! 

[Tinwatcher I don’t mind]

@THE DEMON I believe you would like this

[KnightSkye Reforged They/Them]

On 4/5/2025 at 9:45 PM, miscc said:

Hello! Hopefully this is the best forum to post this.

Some of you may remember a post I made about a year and a half ago about a D&D 5e-inspired, cosmere TTRPG I was working on that I called Cosmere 5e. Some of you have even reached out to me about campaigns you were running using my material! At the time, I really only had some classes based on The Stormlight Archive in a format similar to the D&D 5e Player's Handbook.

Well, I've been working on it since, and I'm ready to release the rest of what I've made for you to hopefully play while you wait for the official Cosmere RPG. Combined, all the resources below total over 1200 pages (seriously, 1200 pages) with 40 Identities (equivalent of D&D races or species), 13 full classes, 600+ Invested Arts (equivalent of D&D spells), 100+ stat blocks for cosmere creatures, and 450+ Invested items (equivalent of D&D magic items).

NOTE: A lot of what you'll find here is not canonical, because that is the result of me trying to make enough things to fill up an entire TTRPG. I tried to keep the spirit of the cosmere and its magic systems in everything I made, but pushed the bounds of Investiture a lot as I created things. Oh, and the entire thing has spoilers for the entire cosmere, including Wind and Truth.

Here are all the resource books:

• Radiant's Handbook (version 2.0)
  • Nine Knights Radiant classes, Rosharan Identities, how to create a character a play.
• The Invested Arts of the Cosmere (version 2.0)
  • Surgebinding, Allomantic, and Aonic Invested Arts, including hundreds of Aons Elantrians must study.
• Hoid's Guide to the Cosmere
  • Dozens of Identities from non-Rosharan planets, plus the Awakener, Elantrian, Feruchemist, and Mistborn classes.
• Creature Compendium
  • Stat blocks for cosmere creatures.
• Invested Items Collection
  • Over 450 Invested items, including fabrials, Allomantic beads, metalminds, soulstamps and bloodseals, polestones, Hemalurgic spikes and rules for Hemalurgic corruption, Aonic-powered items, Nightblood, primer cubes, Shardplate and Shardblades, Soulcasters, plus beads and metalminds and tools made from God Metals or God Metal alloys.
• Character Sheet (version 2.0)
  • DND Beyond-style character sheet in built in Google Sheets.
• Changelog and Feedback
  • Changelog and Feedback submitter.
• r/Cosmere5e
  • Subreddit!

Thank you so much for reading, and please do let me know your thoughts and feedback if you end up playing, running a game, or reading through!

I have been looking for/trying to make something like this forever! Thanks so much for sharing it!