LEGAL
Licences and notices
Elrune runs game rules that their publishers have released under open licences. This page carries the notices those licences require and says which parts of Elrune are reserved. The people and publishers behind each game are thanked on Credits and thanks.
ORC Notice
This product is licensed under the ORC License held in the Library of Congress at TX 9-307-067 and available online at various locations including www.chaosium.com/orclicense, www.azoralaw.com/orclicense, www.gencon.com/orclicense and others. All warranties are disclaimed as set forth therein.
Attribution Notice
This product is based on the following Licensed Material:
“Basic Roleplaying: Universal Game Engine,” copyright © 2024 Chaosium Inc., by Jason Durall and Steve Perrin.
If you use material that Elrune adapted from it, please credit: “Elrune, copyright © 2026 Elrune.”
Elrune is an independent product and is not affiliated with or endorsed by Chaosium Inc. Trademarks belong to their owners and are named here only to say where rules come from.
Publisher reserved material
Not licensed by the ORC License and not used by Elrune:
Product Identity elements in Basic Roleplaying include all artwork, illustrations, and graphic design, including runes and geometric symbols that are not part of the Latin alphabet or Hindu-Arabic numeral system, and all trademarks, including Call of Cthulhu, Chaosium, Fantasy World, Future-World, Futureworld, Magic World, Pendragon, RuneQuest, Superworld, and Worlds of Wonder. Basic Roleplaying is the trademark of Chaosium Inc. Chaosium Inc. and the Chaosium logo are registered trademarks of Chaosium Inc.
Every rune, glyph and symbol drawn on Elrune is invented by Elrune; none is taken from a publisher’s books.
Reserved Material Notice
The following are Reserved Material of Elrune and are not licensed under the ORC License: the Elrune name and logo; all artwork, illustrations, 3D models, renders, maps, icons, graphic design and trade dress; the names, titles, characters (including Víkingur), places, plots, dialogue and story text of Elrune adventures and showcase material; the Elrune website and software code.
Material that users create and publish on Elrune belongs to its authors and carries the licence notices of the rules it is built on.
Adapted and Expressly Designated Licensed Material
Game mechanics that Elrune has adapted from ORC Licensed Material, such as rules conversions, stat blocks and structured rules data, are Adapted Licensed Material and are available to you under the ORC License. Nothing in this site’s terms restricts what the ORC License allows for that material.
Expressly Designated Licensed Material: none.
Other game systems
Other systems appear only after their licence has been reviewed, and each carries its own notices here once it is in testing or released.
5E (SRD 5.2.1)
Licence: CC BY 4.0
This work includes material from the System Reference Document 5.2.1 ("SRD 5.2.1") by Wizards of the Coast LLC, available at https://www.dndbeyond.com/srd. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/legalcode.
Changes: Elrune extracted the SRD 5.2.1 text into structured data: layout removed, typographic quotes and dashes normalised, stat blocks, spells, classes and tables split into fields, and rules expressed as code. No rule text was added to the SRD material; anything the SRD does not state is marked BLOCKED: SOURCE VERIFICATION instead of being filled in.
The SRD 5.2.1 material is provided by the licensor as-is and as-available, without warranties; see section 5 of the CC BY 4.0 licence.
Compatible with fifth edition (5E compatible). SRD 5.1 and SRD 5.2.1 are separate systems here, each with its own notice.
5E SRD 5.1
Licence: CC BY 4.0
This work includes material taken from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC and available at https://dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License available at https://creativecommons.org/licenses/by/4.0/legalcode.
Changes: Elrune extracted the SRD 5.1 text into structured data: layout removed, typographic quotes and dashes normalised, stat blocks, spells and tables split into fields, and rules expressed as code. No rule text was added to the SRD material; anything the SRD does not state is marked BLOCKED: SOURCE VERIFICATION instead of being filled in.
The SRD 5.1 material is provided by the licensor as-is and as-available, without warranties; see section 5 of the CC BY 4.0 licence.
Aspects and Fate Points
Licence: CC BY 3.0
This work is based on Fate Core System and Fate Accelerated Edition (found at http://www.faterpg.com/), products of Evil Hat Productions, LLC, developed, authored, and edited by Leonard Balsera, Brian Engard, Jeremy Keller, Ryan Macklin, Mike Olson, Clark Valentine, Amanda Valentine, Fred Hicks, and Rob Donoghue, and licensed for our use under the Creative Commons Attribution 3.0 Unported license (http://creativecommons.org/licenses/by/3.0/).
Rules based on Fate Core System (Evil Hat Productions, LLC), CC BY 3.0.
Changes: Converted to structured data and rules code by Elrune; rules text otherwise unchanged except whitespace.
Fate™ is a trademark of Evil Hat Productions, LLC. Elrune is not affiliated with or endorsed by Evil Hat Productions, LLC.
Forged in the Dark
Licence: CC BY 3.0
This work is based on Blades in the Dark (found at http://www.bladesinthedark.com/), product of One Seven Design, developed and authored by John Harper, and licensed for our use under the Creative Commons Attribution 3.0 Unported license (http://creativecommons.org/licenses/by/3.0/).
Changes: the core rules were converted to structured data and rules code by Elrune; record text had Markdown emphasis removed and whitespace normalised, wording unchanged. The Duskwall setting and everything outside the SRD are not used.
Elrune is not affiliated with or endorsed by One Seven Design.
Into the Wood
Licence: CC BY-SA 4.0
This material is based on Cairn Second Edition by Yochai Gal (https://cairnrpg.com), licensed under CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/). Atlas converted it to structured data and edited it for the table.
Source: Cairn Second Edition by Yochai Gal, https://cairnrpg.com (text from https://github.com/yochaigal/cairn at commit f320cf6).
Changes: Converted from the Markdown source to structured JSON by Elrune: Markdown emphasis and links removed, whitespace normalised, tables split into fields; wording otherwise unchanged.
Offered as-is: the licensor makes no representations or warranties (CC BY-SA 4.0, Section 5).
Share-alike: the rules text and content from Cairn Second Edition, and adaptations of them made here (by Elrune or by adventure creators), are licensed under CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/). Nothing in this site’s terms restricts what that licence allows. “Into the Wood” is Elrune’s name for this ruleset; it is not endorsed by the author.
Questions about these notices: contact us.