In BG3 rogues seem like the only ones who can actually safely and consistently ensure this advantage with how stealth works. Actually going 5 Champ, 6 Thief allows you to hide -> Sneak Attack (Ranged) -> hide -> Sneak Attack (Melee) if you are going for damage. And 1 level in GOO warlock on top equals 4 attacks every turn, two main hand, two off hand, to fish for frightening criticals. It also seems like they are removing the abity requirements for multiclassing. At least it's how it seems on paper.
Since my initial first playthrough idea was just a dream mercilessly crushed by the upcoming out-of-nowhere changes, I think I'll opt to take this build for myself and go for a Dark Urge playthrough. Dual scimitars/shortswords madness with better fear-applying criticals seems like a perfect build for that mofo of an origin.
