The obvious downsides are the recharge on serpents and the lack of healing/defense, but give it a try before you flame me. You might be surprised

Shadow Arts = 12 + 1 + 1
Dagger Mastery = 9 + 1
Critical Strikes = 8 + 1
[build=OwJkgVd5HPiEyxHjAk/DCjAAB0lI]
With a pair of silencing daggers you can pretty much maintain daze for around 30 seconds on a target, energys pretty good and theres plenty of conditions to cover daze. Give it a try and lemme know what you think