Don't have the hard # but for Fortunata to deal great dps, you will need Follow Up and some claw attacks and possibly Poison Dart for -regen effect.
My attack chain is Dominate, Gloom, Subdue and TK Blast. This is a very good attack chain but I find myself taking too long to take down an AV. Maybe it is due to lack of -regen or lack of follow up.
You can try Follow Up, Lunge, Poison Dart and Dominate. Dominate will stop AV for about 25% of the time at least.
What's left is to normalize all Assassin Strikes and improve Stalker's old sets (Claw, MA and EM)! You don't need to bring back the missing PbAoE attack. You just need to make the existing ones better! For example, make Slice a WIDER and LONGER cone.
thank you for the speedy reply, could anyone else give me advice on what a superior attack chain would be?
Jordon Justice
alright guys, im awful with this, i need some help finding out what would be the absolute highest dps chain on my fortunata against an av
i was wondering if a fort is capable of dealing enough dps to take an av out 
and my second and last question is if pssible for the chain you provide can you tell me about how much dps that chain will be? 
thank you to all who reply 
Jordon Justice