Some people focus on magic, science, languages, or politics when building out the rules of their story universes, but there's so much more to the building blocks your world than that! Join Steele Filipek as he (with the aid of a younger Clark Kent) show how you can build out numerous elements that anchor narrative universes for fans and collaborators while also allowing them to expand!
Music - icons8.com, specifically https://icons8.com/music/author/ilya-marfin
Audio Effects - freesound.org