Pure Dex Pvp Build

[Formora]

So about two days ago I started getting into pvp, and it's actually pretty fun. However my build doesn't have restore or meditation and I think that's useful for pvp? Well anyway here is my build ATM, tell me what I should sacrifice for restore (don't think I need meditation right? I'll likely die before mana runs out unless the guy is really nooby):

5-5-5-4
0-0-5-5
5-5-5-5

Here's a few things I'm thinking about :
1. Take out thorn wall since it's not that useful, maybe one point in it.
2. Max out thorn root for another 5% debuff?
3. Max out restore? Is it worth it to leave it at 3 or 4?
4. Avian scream. Is it worth it?