All thanks to Gary Gygax and Dave Arneson. Your spirits live on in every game and every world.
The D&D 5e API Project was extremely helpful in building out the SRD 5.1 data.
SRD 5.1
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.