12 Eldritch Knight Fighter. Throwing is OP af. Lots of early game gear to add bunches of damage modifiers to it, plus Tavern Brawler. EK doesn't get the +2 damage mod and bonus action throws like Berserker, but instead they get 3 throws per standard action + Action Surge (Plus Haste synergy for non-Honour mode) oh, and a handful of spells like Shield, Misty Step and Darkness.

8 Way of the Open Hand Monk/4 Thief. Tavern Brawler is really good. 2 Bonus actions to use spending Ki to do double attacks with Flurry of Blows. Wis modifier as Radiant damage with Manifestation of Soul.

2 Warlock (Any subclass)/10 Sorcerer (Any Dragon/Storm). Double dip CHR mod Eldritch Blast + Twinspell Haste. Less effective on Honour Mode with its Haste nerf but otherwise is pushing out 6d10+60 (Or more) per turn while also still providing Haste to another ally.

5 Warlock (Any subclass)/7 Oathbreaker Paladin. Triple dip CHR to damage, 3 attacks per standard action, Smites and some of Warlock's best spells such as Hex, Hold Person and Hunger of Hadar.