Rogue feels like such a good choice for BG3. Half-orc Rogue, specifically, b/c that delicious increased critical multiplier is nice, even on d8 weapons. Supreme bonus action economy, access to even low-level Wizard spells via Arcane Trickster, and the extra ASI at 10th, among the many other great qualities of Rogue mean I'm swimmin' for capabilities.
Leaves at least 2lvs I could dump into another class if I wanted, as well. Even just two levels of Fighter or Wizard would be powerful. Action Surge plus Cunning Action is an incredible level of action economy, but extra Wizard spells/slots is also very nice.
Lots of fun options. The interface is a bit clunky, and it's got some absolutely CLASSIC Larian jank in its animations/3D - this is very much Divinity: Original Sin 3: Faerun Edition, but that's also fine, b/c bugs aside, D:OS2 was quite good.