I am concerned with my Dark Knight and would like to ask a
few questions.

Ill start with an introduction. My name is Cyrusskorrey AKA CK or Cy
My Dark Knight 75 is Pre-abyssea and Pre Level cap.

I recently went into abyssea as DRK75 and found that None of my WSs
did any decent damage. i was throwing out 100-600max.
my normal damage was out doing my WS damage.
where my MNK75 and NIN75 were tossing out 1000-2000 max.

Besides leveling to 90. is there something i missed.
Is Dark Knight just not meant for abyssea?

I was using Atmas: VV GH and RR.

My darks gear is all endgame level 75 style gear.