Im not bothering with reading all in-between posts now, but OP obviously made some grave mistakes in terms of 'balancing'
anyways im going to drop off a few minor things:
Kotbs:
1) Shatter confidence should be a melee Skill. And then if you use the associated tactic, it should turn into ranged and only remove 2 enchants max.
2) Runefang and tactic locations -> Runefang should NOT be a basic tactic. It should be the highest Tactic (#11) in the Conquest path. "Slice Through" should be switched to be a basic Tactic, while moving the "Efficient Swings" to the slot where Slice Through was. In other words -> Runefang 11Pts tac, Slice Through basic tac, Efficient Swings 3Pts tac.
I was also thinking about the 2 Crit tactics but then again i remembered about WE morale3
Chosen:
1) M4 Sprout Carapace should be lowered to either 15 or 10 seconds. Literally every other Tank M4 with buffs lasts only 10 seconds! Problem here is the pretty op morale-buff-tactic combined with this M4. Since i think the tactic is something special and good by itself, the Morale that profits heavily from it should be nerfed though.
2) Suppression perhaps should be changed to work similar like the Kotbs block increase. So a 10 second cd for 10 sec 10% block, or 15% parry.
Black Guard +
Ironbreaker:
Personally i am totally fine with these ones tbh.
And for
BO+SM i guess Aza has his own plans
Personally i would tweak some numbers on the Buff durations though. Eagle's Flight for example would fit way better if it was 15% Parry for 10 seconds, instead of 25% for 5 seconds. Same for Protection of Hoeth + Rock 'Ard with 5 -> 10 seconds, while giving it 10 more AP cost. Imo it also would give some more variety if Crashing Wave was a 8-10 second unstoppable buff on 30 second CD instead of a 4 sec buff on 20 seconds cooldown (same obviously for the BO counterpart 'Not in da face'). What i also would do, is lowering pretty much all buff duration from a BOs 20 seconds to 15 seconds, since he has no cooldown on most spells at all.
Edit: Small edit for Chosen.
Edit #2:
I was just talking about Auras and i personally would also like to see a Poll about having all 5point Auras from Kotbs/Chosen removed and replaced with skills associated to the former effect of the Spell.
For example the AP-Auras should become a 10 second buff, that gives all groupmembers in 100feet a 5ap/sec buff.
Or the setback Aura should give your target a 10sec debuff for 25% increased setback chance, while reducing it for your secondary target. Also the healdebuff ability should then look like the tactic-slotted BG/Ib healdebuff. It would just be a 25% debuff, instead of a 50% one that the other 2 Tanks have, but it would not require a tactic.
This would move Kotbs/Chosens from their Aura-Bot position, to a bit more lively skill oriented, class while still maintaining the 'flair' of the Classes.