Accuracy will influence when you miss a skill and has to reuse it till it hits to move forms. That'll lead to inevitable lower DPS. You'll need it mostly in Coil where mobs are higher level than you. Crystal Tower gears are the appropriate gears for Coil but right now all we have is Darklight or Mythology gears so you need the extra Accuracy to hit them. Darklight gives you 4 more strength which is the main stats so you should always go for it. Critical Hit Rate doesn't really define the classes though. You have Internal Release, tanks don't (Warrior has a lower chance of crit 20% without trait).