Bard in theory should be the best all-rounder for conversation trees. Monk ought to be best able to take advantage of the terrain which is a really element of bg3. Sorceror ought to be good for painting surfaces.
Lore bard all the way. Would be asking too much for the eloquence school.
I’m afraid Barbs will be the new worst class of the game due to advantage scum. Yet, Berserker will rise once again once there’s unlimited resting
~Larian, the Metagame breaker~