Ranged Knight is Op and must have, dunno what are you talking about, you get heavy armor, shield+rapier, on 4th lvl takes vitality(+8hp), summons arachnid\bear and becomes party tank.
Not sure what the difference between heavy in BG3 is vs. DND but in DND platemail has a STR 15 requirement and AC 18. Half plate has no STR requirement and AC 15+ DEX (max +2). So you need to put 15 points in STR to get +1 AC. If you're dumping DEX then sure, go for it, otherwise it's too Multiple Ability Dependent.
