Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
Crowns are Realm Royale Reforged's in-game currency. You can use Crowns to unlock the Battle Pass or purchase new cosmetic items like character skins, mount skins, and more!