Quote Originally Posted by Lyth View Post
What you could do instead is to make use of the Dark Arts gauge. You can still preserve the current TBN effect as it is (i.e. TBN breaking gives you a buff that makes your next Edge/Flood free). All you would need to do is make it such that Edge/Flood grants you Dark Arts, and have Dark Arts be the consumed to perform your enhanced combo. In short, the answer on how to implement a second combo is Soul Reaver.
The problem with this is that it forces the DRK to use TBN on cooldown if they want their big DPS. Perhaps instead make it so something else gives the DA instead, something on a longer timer and isn't a defensive cooldown.