a question about enh shaman

[nikifor96]

I have rogue 525 iLVL with a lot of PVE items and I had 85% mastery and dealed incredible damage.My questions is that do I need PVE items for Enh Shaman to maximize my damage,because PVE items give me mastery?or PVP Power is more important?

[dfabel]

I have rogue 525 iLVL with a lot of PVE items and I had 85% mastery and dealed incredible damage.My questions is that do I need PVE items for Enh Shaman to maximize my damage,because PVE items give me mastery?or PVP Power is more important?

 

I feel like pvp power is not taht important. But the items give you like 200-300 power so it's not that big of a deal.