Baldur's Gate 3 has an easy-to-miss setting that lets you change the color of your skill check d20, but the official options are pretty limited. I've been rocking «Behir Blue» for about 140 hours or so, and I'm ready for a change.
Thankfully, it seems pretty simple to get your own custom dice working in-game (check out Anecx's Dice Sprites Generator for help on that front), and even easier to install other people's creations. All of these dice mods require LaughingLeader's handy BG3ModManager, and while some do not demand Djmr's ImprovedUI mod, I've read that it is required to have multiple custom dice at once.
As an added note: even a cosmetic mod like this will disable Steam and GOG achievements for BG3 at the moment, but dukethedropkicker's Achievement Enabler mod will pop them right back up. It's on the honor system to only use duke's mod with dice skins and not like, something that gives you every weapon in the game. Paladins, remember your oaths! And now, the dice.
This is the one I most want to use in my own game, a d20 painted with a scintillating, nebula-filled night sky reminiscent of Baldur's Gate 3's interpretation of the Astral Plane. It pretty much looks like a completely different die depending on the angle, an effect impossible to manage in real life, so we're looking at a d20 you can only enjoy in a videogame, a far cry from the boring old «Scuffed Metal» look the game defaults to.
I have a lot of people in my life who go gaga for anything Final Fantasy 14, and while I'm very happy for them, I refuse to make myself a part of that business. This FF14-inspired dice, however, has a universal appeal. It looks like something the Protoss would siphon energy off of so they could continue not really doing
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