Thief WvW Build Suggestions
I solo camps quite often and usually run in WvW as a solo roamer or in a small group. The build I use adapts quite nicely if you join a zerg as well.
Currently it Condition build with 3k armor 20k life and conditions that tick at over 2k. I have got the conditions to 3k along with a 2.9 k attack for short bursts using might satacks which I can easily get to 15 and can peak to the max at times.
20/0/30/20/0. I use P/d and D/d. D/D using death blossom works well in camps along with a daggerstorm elite.
The guards cluster and chase so you can draw a group to you of about five or six kiting with the pistol and then drop a caltrops. Use a few death blossoms on the group, dodge out and then daggerstorm them. They go down quite quickly.
If you are meeting more enemy change up your skills a bit and rely on the p/d set more. I will often change up just outside a camp as you really do not need condition removal against guards. If I am sure there no one else around or that will arrive half ways through (and you get a feel for that) I will load a few more venoms.
When I battle in small groups or against a single foe, I have more dodges available and rely on that over the stealth. (that personal preference) All dire armor and trinkets. Sigil of bursting on each weapon set then battle on each off hand or a battle/energy mix on the off hands on each set. Dire trinkets. Runes of the noble.
Daggerstorm is not as good a choice here so I use basilisk.
I carry a number of weapon sets with me such as a shortbow, an extra pistol and a variety of sigils on weapons (hydromancy can be handy). I change up with regularity on those as well.
I have found in the hours I am playing WvW you tend to run into the same enemy over and over again and sometimes one weapon , utility or trait set works against one player better then another and that switch up all you need to turn the battle in your favor the next go round.
For WvW solo or small group roaming, D/P or S/P is generally the way to go in my opinion. D/P has the better dueling potential, while S/P is significantly better at soloing supply camps. The cleave on S/P coupled with the defense of Black Powder (and the evades on Pistol Whip) make it one of the easier specs to solo a camp with, across all classes, in my experience. Daggerstorm is nice for soloing camps as well, but can obviously be run with any set of weapons.
Ultimately though, play both builds (or try some others if you wish) and decide what you like to play. S/P is better at capping camps, but I personally don’t like the playstyle as much, and thus don’t play it often. A friend of mine who I roam with frequently (though not always on my thief) really enjoys D/D, and he still captures camps.
Another thing to consider is that capturing camps is, in my opinion, far less important than performance during an actual fight. I’d rather have a build that’s terrible at capturing camps but awesome against other players than the a build where the opposite is true.