The Grim Tome

Attribution

Last updated: September 2026

This page credits the third-party content and tools used to build parts of The Grim Tome.

System Reference Document 5.1

This platform includes material from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC, available at https://dnd.wizards.com/resources/systems-reference-document, licensed under the Creative Commons Attribution 4.0 International License.

·Title: System Reference Document 5.1
·Publisher: Wizards of the Coast LLC
·Authors: Mike Mearls, Jeremy Crawford, Chris Perkins, Rodney Thompson, Peter Lee, James Wyatt, Robert J. Schwalb, Bruce R. Cordell, Chris Sims, and Steve Townshend, based on original material by E. Gary Gygax and Dave Arneson.
·Source: https://dnd.wizards.com/resources/systems-reference-document
·License: Creative Commons Attribution 4.0 International (CC BY 4.0)

Which License We Use

The SRD 5.1 is offered under two licenses: the Creative Commons Attribution 4.0 International License and the Open Game License 1.0a. The Grim Tome uses SRD 5.1 content under CC BY 4.0 only. We do not use it under the Open Game License.

Changes Made

SRD 5.1 content on this platform has been reformatted for storage and display. For example, monster stat blocks are stored as structured data and rendered in the platform's own layout. No game rules, statistics, or text were altered in substance.

Where It Appears

SRD 5.1 creatures appear in the Bestiary's SRD Monster Library, where a Dungeon Master can copy a creature into their own world. This monster data was imported from a structured dataset derived from the SRD, provided by the Open5e project (see below).

Open5e

Monster data was sourced from the Open5e project's structured dataset. Open5e is an open-source community project that provides SRD content in a developer-friendly format. We gratefully acknowledge its maintainers and contributors.

·Project: https://github.com/open5e/open5e-api
·Snapshot: Data imported from a specific, pinned snapshot of the open5e-api repository (commit 0acbf263c74caf8ad080af7a16d86d3700a1ac8f).

The licensed content itself is the SRD 5.1 by Wizards of the Coast, credited above. Open5e is credited here as the source of the structured data we imported.