Personally I think the barb mastery tree is the most poorly conceived skill tree in the whole game.
weapon mastery basically pidgeon holes you into using one type of weapon and limits build diversity. Imagine being able to use eth stormlash alongside grief, could absolutely crush in pvm. You technically can now but it comes with a significant damage and AR penalty.
While this is a very radical change i feel like the weapon mastery skills need to be done away with.
Perhaps preserve a generic mastery skill so characters still get the same AR/damage for the same skill investment. At that point the tree looks too sparse. I had some ideas for skills that would be unique to the barb and give the character a bit more differentiation.
One very obvious idea I had is “Shield mastery” but i think this kind of steps on the toes of the paladin and diminishes class uniqueness. Another idea was “life mastery” giving you passive life regen + life steal, but similarly i think this undermines werewolves. Some ideas that i had that i think are better and will be more unique to the barb are -
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Bul Kathos Edge → gives a % chance for Open wounds, could do something like a flat 2% per level, or have it diminish sharply like natural resist, e.g. 5,4,3,2,2,1,1,0,1,0,0,1…
Add a synergy with stun, additional 4% open wounds to stun per hard point in this skill (maybe scale it down in pvp) -
Bul Kathos Fury → Gives a % chance for crushing blow, in a similar vein to bul-kathos edge
Synergize with concentrate, each hard point in this skill gives ~4% crushing blow to concentrate -
Slight modification to iron skin
Iron skin is unchanged but it now provides a synergy to concentrate. For each hard point in iron skin, adds ~1% PDR to concentrate, that is in addition to increasing your defense, concentrate will give you PDR while you are conking. -
Spirit Mastery → a few thoughts i had for a casting related skill
reduce mana cost for all barb skills or increase mana regen and grant mana
leech
or
grant barb a bit of FCR per level, have synergy with war cry to reduce mana cost
per hard point in this skill
So in addition to getting rid of the pidgeon hole issue of the mastery tree, i think this will provide a few unique options to barbs. Barbs will be the only class with an intrinsic soure of crushing blow/open wounds/FCR. The synergies will help increase the appeal of two of the most underused barb combat skills, stun and concentrate. AFAIK stun is basically never used, and conc while “aight” is usually passed up in favor of the generally superior smiter.
A high chance of crushing blow and intrinsic open wounds might make the build a more appealing alternative for ubers. Smiters will still boast their never-miss, higher attack speeds and superior block, whereas conk barbs would have intrinsically high CB a bigger health pool and (somewhat) superior defense.
The open wounds/CB skills would also be a generic minor buff for barbs as they would be decent one point wonders. For PVM I think this is simply welcome as barbs underperform compared to most characters. IIRC crushing blow doesn’t work in pvp, OW would indeed be a buff, perhaps too much of one, but that might be addressable using scaling for pvp.