Personally i would buff the executioners charged attack by making you simply walk bit faster while doing it. Something like what elfs spear currently has but not to that extreme. Then maybe slight headshot multiplier increase to really make it headshotting machine.
Hammer/Mace for starter needs to be closer to bardins axe/shield combination in terms of armor penetration. If shields need further buffs its to stagger/CC.
Halberd i honestly think is fine (animation wise currently) but the armor penetration attacks are just in the wrong places and there is literally no reason to use charged attacks because of that.
Rest of the stuff i tend to agree with op and these are just my ideas.