Nothing exists in isolation, and of course - adjusting the traits will impact on everything. IF dodging is still king of defence then I suggest a the next pass over traits considers how those traits affect weapon types rather than career types.
The dodging mechanic has almost completely made 2h weapons and sword/board style virtually obsolete with only a couple of specific examples of 2h weapons being used. I very rarely see Bardin with 2h hammer, pick is used almost exclusively by slayer for specific things, no halberds (hehe) virtually never see a 2h sword for Kruber or VIcky, exe sword has a very narrow field of use and glaive/spear are lower down the pecking order of elf weapons now. Sienna’s mace is stuck in a drawer under her bed, never to be used again.
Dual Wield and 1h coupled with Swift Slaying to proc Crits is almost an arbitrary choice.
SO …
IF the dodge mechanic stays very similar to what it does now (I am in favour of a reduction in the dumb-time enemies spend gazing into space when you dodge but not re-introducing CW’s sliding up a flight of stairs) then the Traits can be used to rekindle the usage of the heavier weapons.
My personal feeling is that, as a team game the traits should be far more team beneficial as well.
Swift Slaying should have time limit on how often it can process crits as dual wield with SS and a crit build keeps the bonus up far too often and too long in many situations OR the weight of the weapon affects the amount of speed gained. Getting a higher speed bonus when wielding a 2h weapon that a 1h weapon. Dual wielding daggers should already be damn fast and the noticeable increase should be negligible.
Parry and Off Balance is now something of a niche use, as everyone is using dodge and blocking is only needed when you’re in real trouble. Timing your blocks when you’ve dodged yourself into trouble isn’t at the forefront of most people’s minds. It is possible that if these traits were more specifically targeted at specials/elites and they got a bit of stagger then they might become more valuable than simply dodging around the lumbering fools and windmilling into their back while they clamber about lifting their axe back up.
I’m not sure I’ve ever even seen Heroic intervention Proc. Really. Although this might be because no-one takes it. I’d like it to be when you have prevented an ally from getting hit like when I play HS and I shoot a CW about to overhead someone it should proc. Staggering the CW to prevent someone getting damage is a perfect example of how this should work. (I know it’s a melee trait but you get the idea).
@Yzneftamz has covered off the ranged very well, although I think some rework is needed as many of the ranged traits reward faster weapons. A couple of traits that really benefit things like the handgun would be nice. Ammo recovery traits could align with weapon speed, with slower weapons getting more back per shot.
My only problem with charms is grims. If you’re playing a tanky career it is almost assumed that the IB,UC,FK, Zealot will carry which means that person really shouldn’t worry too much about their charms as they never get the bonuses for the bloody things.
As a personal note, Sienna UC is far,far from being weak it’s just that we’ve been so used to seeing her in almost every match as a wigglemancer pyro that she’s probably settled into a sensible %age of play time. I regularly see BW and UC pulling their weight and if you think she’s weak trying getting damage stack with Crowbill in legend. 1 shot SV anyone?
[edit] Killing blow back please.
[edit 2] My wife glanced over my shoulder quickly and said "Why are you asking for killer blowbacks? Which kind of online nerds are you hanging around with?