I'm not going to lie: I'm level 18, and I have no idea what my build should be. My current setup is as follows:
1. Chain Lightning
2. Immolate
3. Winter's Grasp
4. Spirit Blade
5. Energy Barrage
6. Mark of the Rift
I also have Barrier and Dispel on my bar, but that's because I picked them up getting Regenerating Barrier, which I may be getting rid of once I get Andraste's Sacrifice; I pretty much never use them. I'm probably going to respec and get Fade Step. I'm also tempted to get Fire Mine, but in base form, it's got that 3 second charge time, and apparently Flaming Array causes it to do 1 damage if used too close to enemies, so it's not looking good at the moment.
Also, does anyone actually use Fade Cloak defensively, or is it all about the Decloaking Blast upgrade? I'm not big on it from a defensive perspective (I'm generally locked into an animation when I would need to use it, so I always get hit regardless), but if it's all about the Decloaking Blast, then I'll give it another shot.
I'm also not hugely impressed with Disruption Field, but was wondering if there was something I was missing. I'm also interested in commentary about how the upgrades work. Does the speed reduction include attack speed, or is it just movement? Charged Disruption seems kind of useless thanks to Energy Barrage, but I figured I'd ask.
The fact is, I'm probably around halfway through the game, but I have no idea what to go for. I've already got a solid (though not particularly powerful) build, so I'm not sure where to go from here.
Wow. Level 18 and no Fire Mine? Are you playing Nightmare?
Dispel you don't need much in the main game, it's true. You'll need it eventually for DLC though, trust me. Unless you have Cass in your party, then maybe not so much.
I used Fade Cloak defensively a lot, but only against boss enemies with knockback or knockdown, where there was an obvious visual cue that they were about to smack you. Like High Dragons. Or go defense+offense, for example, find one of the Brute types, like a Hurlock Alpha in the Western Approach and when they go into their AoE maul routine, Fade Cloak, stand right in them, and Decloaking Blast them. Such fun!
I never took Disruption Field, in multiple PTs. That was all before Patch 10/Trespasser, though. The upgrade that recharges SB, IF targets take damage, might be worth it, but only if you have skill points that aren't better used elsewhere.
Here's a build you could use, but by Level 18 it kind of doesn't matter. You'd have to try really hard to have a bad build.
Active Skills:
1. Spirit Blade (no upgrade, unless you like Amplified Wave, depends on whether you want to use SB like a sword or a one-shot spell)
2. Fade Cloak/Decloaking Blast
3. Fade Step/Frost Step (or if you are frequently short of mana, toggle to Energizing Step)
4. Fire Mine/Searing Glyph (unless you are not going to be doing much close combat, but in that case, drop SB)
5. Energy Barrage (no upgrade)
6. Immolate/Consuming Fire (see Energizing Step)
7. Winter's Grasp/Winter's Ruin
8. Mark o' da Rift
(If you do the JoH DLC, drop Immolate for Aegis)
Build, point by point (I'll assume you've got 20 skill points, you probably have a couple more)
1. Spirit Blade
2. Fade Cloak
3. Decloaking Blast
4. Veiled Riposte
5. Combat Clarity
6. Fade Shield
7. Immolate
8. Consuming Fire
9. Flashpoint
10. Pyromancer
11. Fire Mine
12. Searing Glyph
13. Clean Burn
14. Chaotic Focus <-- Must have for a KE, IMHO
15. Fade Step
16. Frost Step (or toggle to Energizing)
17. Winter's Grasp
18. Winter's Ruin
19. Energy Barrage
20. Conductive Current
If you have a couple more, you can upgrade Energy Barrage or pick up a couple more passives, like Mana Surge or Frost Mastery. Or start putting points into Spirit to get Dispel if you are heading for a DLC.
BTW, not sure how to use Fire Mine? Worried about the 3 second delay? Don't be, just use it to your advantage. Try this: have Solas in your party and have him equip Pull of the Abyss/Shaken as an active, but leave it disabled so the AI doesn't waste it. When you see a mob, have Solas cast Pull of the Abyss on the mob, then switch to your KE and cast the Fire Mine right in the center point of the Pull of The Abyss. Watch the entire mob launch into the air, on fire, for a gazillion points of damage! What's not the like about that?