Not sure about sorc as mine is a sorc tank, for the stam there are so many variables and myself have been trying to find a complimenting set until I reach endgame bis. So far rotated gear all over between toothrow/leviathin/spriggans/nmg and hundings. Monster sets ive run are kraghs molag and velidreth. Since i do pug dungeons and also pledges with my gf Ive found the best combo for me is spriggans and nmg 5 piece for the penetration with one molag kena and one velidreth each for the one piece bonus damage. I also use swap skills add on to rotate skills for trash fights and boss fights. at the current moment I can hit safely in the 23-25k range without help from buffs debuffs etc. I need to wrok on my rotations and ani cancelling as I think my same toon in someone elses hands could hit over 30k Ive seen it hit 39k on combat metrics but it was burst damage against a wb. The key is clean rotations and in long fights i get sloppy/lazy.

Base stats are-

4183 weapon damage.

72.9% crit.

11989 penetration.

for yours as its dk mine is stam sorc i would suggest volkyn skoria that rips with those builds but velidreth with ideal set up is raw damage.

I run two daggers one poison one disease sharp.

Bow is sharp with weapon damage enchant.

my rotation goes, crit surge, hurricane, endless hail, poison injection, barswap, light attack, rendering strikes, light attack, rending slash, light attack, rending slash, light attack rotate bars and repeat minus crit surge.