Interesting question. It's like everything Bst, it depends on your personal style and how you like to play. One thing about most Bst, they aren't going to say you "have" to do this or that...that's why most of us play this job.
That being said, This is what I use, it's not perfect and alot of ppl will "lol! You wear what?!" but it works for me. This is my DD set up for PT's and Campaign...Charm/solo gear is totally diff.
Head = Wyvern Helm
Neck = Bullnecklace in Campaign, chiv chain elsewhere
earrings = 2 x Attila's for tp gain
Back = forager's mantle
Body = Hauberk
Waste = warwolf belt
hands = Pallas's Bracelets
legs = 4th division schloss
feet = 4th div schuhs
rings = 2 x ruby (i'm not paying 600k each for 2 pt of str)
Main hand = Woodville for higher base damage in WS's tho I do switch to a maneater mainhand if fighting mobs that strip TP
(Maneater beats woodville hands down under 100 tp due to latent + att but not so great over 100 tp)
Offhand = Juggernaut - always
I do decent DOT and occasionally get 4 digit WS's - my highest to date in campaign is 1550 so not terrible, not super uber awesome.
Merits =
hp/mp = finished
abilities = finished
other = finished
Bst = finished
Combat skills = axe capped, eva-capped, parry - lvl 2, sword lvl 1 and dagger lvl 1
so i'm 4 lvls from being fully merited prob gonna put those in shield (which i only use when i'm /whm and charming/soloing)
(I'm not fully elaborating on what I merited because that's my personal choices and not a road map to be followed)
Good luck in all your beastly adventures