Art released under Creative Commons 0 (public domain dedication, https://creativecommons.org/publicdomain/zero/1.0/).
Attribution is not required; the authors are listed here as thanks.

assets/lostway/textures/item/lion_crown.png (the Lion Crown icon)
  the golden crown of Dungeon Crawl Stone Soup, from "CC0 Headgear Icons" collected by Antum Deluge -
  https://opengameart.org/content/cc0-headgear-icons
