If you mean people with dark skin, in Gwent there's still none, but they should add the Offieri from Witcher 3's first DLC. Specially that cr... that mage that drained all your money for supposedly amazing runes...
Actually, a lot of it is mixed up, culturally and whatnot. For example: Cahir aep Ceallach is Breton but Voorhis speaks with a German accent. Ciaran and Eithne are Celtic/Irish. Also, Skellige druids...can you imagine a Norse druid? As for Dwarves, well... adding Scottish accent doesn't change anything
I must respectfully disagree with this. I see no connection between Skelligers and us Finns. Maybe those who live in Åland, but that's it.
And to keep this post more on topic, I will say that I'm interested to see whether any Ofieri characters get their own Gwent cards. Really liked most of those guys in Wild Hunt, so I definitely hope so.
But not all fantasy games are the same (and nor are all fantasy books, shows, etc.) While some go for high magic and high fantasy where anything is possible, others go for "Medieval realism" or "gritty Medieval realism." This particular genre tends to focus on creating a believable Medieval world with the addition of fantasy elements.
If Westeros or the Northern Kingdoms in The Witcher 3 were super diverse, they would no longer be a reflection of Medieval Europe, and something would be lost, including an opportunity to make race in these stories meaningful.
If an African game designer or author created a story about tribal Africa---or a fantasy based on tribal Africa---and then peopled it with white people and Asians and Native Americans, it would lose its sense of place (...)