The Baldur's Gate 3 Soul Coins are mysterious coins that you'll discover while exploring and completing quests across the world. The description also reads that they can power infernal machines, and once you get to know one of Baldur's Gate 3's most beloved characters: Karlach, you'll find they can be used to power her up. Past that, this slightly harrowing currency is used in Avernus, the hell-like region you might remember flying through on the Mindflayer ship at the start of the game. .
Putting aside any moral qualms you have about buying something with a literal soul—those devils sure know how to party, huh—Soul Coins are extremely valuable items that are well worth holding onto. Here, I'll explain every Soul Coin location I've found so far, plus the specifics of what you can actually do with them.
