OpenGameArt.org
Sleep Talking / Loop / Fantasy / RPG / Sci-Fi
Credit line
"Sleep Talking / Loop / Fantasy / RPG / Sci-Fi" by KiluaBoy licensed CC0: https://opengameart.org/content/sleep-talking-loop-fantasy-rpg-sci-fi Author's attribution notice: To Kilua Boy, only if you want to help me :)
Where to put it: Game credits or video description. If the entry has a "Copyright/Attribution Notice", follow that.