As someone thet mainy uses 2h wepons I think the only real change we need is to have the same number of enchantments and gems since 2h weapons often have fairly fast animations with more range than 1h weapons.
I think that differences are due to the motion value not being balanced with a universal method is what leads to some weapons that are clearly better or worse than others both in range and damage and focus gain and stamina.
Here, although I start talking about the runes first, I talk about motion value in general and how the system should be managed to balance the various weapons more easily: Runes heve a balancing poblem: They are not based on motion values