So we're talking about the Kol, Radiance, and Kortul.  I think they're all pretty indicative of different problems faced by many different capital ships.  The Kol is an antimatter hog; it needs WAY too much antimatter just to fuel one of its abilities, forget about two.  Many other capital ships that lack a passive ability suffer the same weakness; they just don't have enough antimatter to put all their abilities to use.  I also agree that GRG is too weak and needs to do more damage.  This ability just his shield mitigation and fizzles.  Even if it gets an antimatter cost reduction, it still will need to deal more damage (I suggested 550/1000/1400 in a thread prior to the last patch.  Maybe 500/900/1300 now that it has its slow effect).

Now, Radiance is a one-trick-pony.  It is defined by a single ability, even moreso than flak-burst Kol (which I think will be fine once it gets a GRG buff).  I want to see a rework to animosity to make the Radiance have a more distinct role.  Currently animosity is only useful as part of the vengeance combo.  I want something standalone, not an ability that's only useful in a single circumstance.

The Kortul is an odd capital ship.  It comes across as very balanced stand-alone, and yet it's overshadowed by the carrier cap.  I think it shows that the battleship class caps need something to compete with the new and improved carriers in direct combat.  Increased damage and survivability would be nice.  As much as I still think jam weapons is one the weak, I think it's within reason and no ability changes are necessary on the Kortul.

i agree with everyone here. when you here the term battleship, you think of something thats big, bad, and is going to kick some serious ass. also, you think of a special weapon on board that ship that, when used, is gonna tear huge holes in enemy fleets. imo, they got the right idea with the GRG, but like darvin said, with all the power it uses, you would expect some serious firepower. but it barely does anything.. maybe set it where it bypasses shield mitigation? (i dont understand shield mitigation AT ALL so idk if thats a feasible thing though.)

i think they need to make the battleships stronger, in all aspects. raise dps, hull, shields, and give them all a better end-all ability.

The Kortul and Radiance are fine ability-wise. All they really need are some sta boosts, and they'll be played more again. The Kortul's Power Surge; already a pretty good ability, will become so much more powerful if battleships had a DPS boost.

Now the Kol, I've stated multiple times that it's utterly atrocious. I honestly think it's by far, the worst capital ship in the game. It's mediocre offensively, uses too much antimatter, and has little purpose now that the Sova Carrier can ably handle SC threats. Everything about this ship needs to be improved. I propose that for GRG, give it either a severe AM reduction (From 75 to possibly 55 or 35), or make the ability nulify shield migitation. With the latter, GRG would actually be quite powerful, dealing a flat 800 damage or so every six seconds. Flak Burst needs antimatter reduction and possibly a range increase. Adaptive Forcefield is essentially fine. And Finest Hour is a decent level 6. I'd like to see the splash damage removed and replaced with a large weapon cooldown reduction; possibly 175% or so? Currently, there's virtually no reason to build a Kol, so drastic changes are really needed.

Flak Burst only works on strike craft zenophin...

People have been saying this from day one. The caps are not impressive enough, and it sucks that huge battleships can be destroyed so quickly by a handful of frigs. It sucks even more that a level 10 battleship needs like a full minute to destroy a single light frig fighting 1:1. I totally agree, but this is just never going to change. 

I think flak burst should have its antimatter cost reduced.  I really don't care whether GRG gets a damage boost or antimatter cost reduction or a combination thereof.  I'd agree that adaptive forcefield is fine.

Now, as for Radiance, I'd agree animosity needs a rework.  My idea is to have it make all friendly units nearby the Radiance (except the Radiance itself) invulnerable to damage.  This would still fulfill the same effect: only the Radiance can be attacked.  However, it forces this effect on the enemy better and has more tactical applications.  This ability would need to exclude pairs of Radiances working together and have appropriate cooldown and range limitations to keep it from being too overpowering.

Its effect was changed last patch.  It now absorbs both shield and hull simultaneously.  It's quite deadly now, essentially missile barrage for single-targets.

I disagree that GRG should be boosted.  The  couple of Kols at level 3 or above will become bad news as the GRG at level 2 can smash support cruisers and repair bays, forcing a withdrawal.

CoBBQ: While it is good against things without shields, most things you will meet do have them...  It is for this reason that GRG doesn't work.  It just doesn't have enough oomph for something that sucks up 75 AM.

Darvin: Thanks, and yeah, that is a lot more effective than the way it was...

TEC capital ships in general have more hull than their counterparts in other factions.  In fact, the TEC's five capital ships are the five with the highest hull points in the game.  It's very clear that there's a systematic approach.  Now, if you listen to this thread, most of as are calling for a systematic buff to the battleship and siege caps to make them more imposing in combat.

That's the problem; you need multiple, high-leveled Kols just to do only a decent amount of damage. In comparison, a single level 1 Sova, Marza, or even a Dunov is already dealing a high amount of damage with their superior abilities (Everything on the Sova, weapons and Uranium Bomb for the Marza, and EMP Charge on Dunov). Why spend an enormous amount of resources to field a second Kol just to make it and the first equate to the power of a different capital ship? Instead, I could for example, get an Akkan first for free, and a Sova for the next cap, which is both extremely efficient and presents great offensive power with Ion Bolt, Missile Batteries, and numerous SC.

How many level 10 Kortuls will you ever see in MP?  And if you have one in SP, if you aren't guaranteed a win, you are trying to lose...  That ship is already arguably the best at that level.  A level 10 Kortul is the omni-counter in this game.  It has incredible DPS.  It can heal itself.  It nullifies SC amounts.  It wipes out AM.  It creates a nice big hole where all your frigates were.  The point is, that is an astoundingly powerful ship.  But!  You won't ever get it.  For this reason, I see no problem with a buff...

Kortul is really good. But its lvl 6 ability is too hard to use since most of the time. You wont have the antimatter to use it.

Kol needs help. Yes. It just do enough dmg, and it cant really take massive amounts of hits either.

Radiance......... It doesnt feel TOUGH enough to be called a battleship to match the kortul/kol

Seems to me there's been so much balancing going on that there's not much difference between any of the caps anymore. Caps should be:

Battleship (Battleship and Siege): Heavily armed and armoured, slow not very agile but very powerful
Battlecruiser (Colony and Support): Medium weapons and armour but fast and agile with lots of support capability
Carrier: Very lightly armed (swap planet damage for aa defence) but fast with plenty of strikecraft

Once caps are put back how they should be, any 'balancing' should be tactical in game by the player, not an adjustment to the ships.