While mostly adhering to the Dungeons & Dragons 5E (2014) ruleset, a number of Gaea-specific Houserules and observations are in place.
A non-lethal alternative to regular combat, Brawling, can be utilised in the correct circumstances, and/ or opted out of at any time, by declaration of intent to instead revert to lethal force.
Demons Vs. Devils
Devils do not exist within the world of Gaea. Their language, Infernal, supplants Abyssal as the language of Demons.