+270 in addition to base is enough crit rate. There is no need to go more.
With all misery gear +12 and with proper rolls you should do around 1,2 mln/second(last boss) or even more at vh normal(doing more depends from party composition), or somewhere around 800-900k/s in brhm(first boss).
Try to reach those values(those are with bravery and nostrum).
If your dps is so low as stated above(200k) that this mean only one things. You waste your time as dps. That means you:
1) Are going around boss in cricle to move to back, or aviod damage instead of moving trough boss with teleport or just backstep 2meters away or warp shield. The shortest way is to jump trough boss. Sorcer has a lot of movement skills, use them to your advantage.
2) You are too far from boss and your skills dont hit boss. The distance where you should always be is around 10-12 meters away(of course move if the mechanic will kill you but that is just temporary thing).
3) You dont put enough effort into your rotation. You might know proper rotation but you are not giving 100%. That means you stop dpsing and have even 1 -2 sec of break. Or you just shoot skill and wait for it to hit boss. You should eliminate those habits. Doing more than 1mln/second with sorc is serious button smashing, even if there are only like 6-7 skills that you use to deal damage.
4) Your rolls on weapon/gloves might be bad. Correct rolls give a lot of boost.
5) Quatre brooch give a huge boost to dps. Use it on enrage phases along with mana boost as it was stated above by few people.
6) You dont dps from back, you dps from sides. Dps always from back.
7) dyad are not needed to do super dps. niveot are as good.
You should currently go to sun event, farm sun tokens. With this get materials for deathwrack weapon, but...if you cant do proper damage with misery the gear wont save you.
SKILL>>>GEAR in Tera
If you have your character on Mystel i can run few instances with you to check how you are doing and give you some tips.
