With all the masteries completed, there are some impressive skill rotations out there for wardens. I have been doing a lot of learning from a fellow guild member, Dev, about effectively playing a warden.
For solo play, there is a quick four gambit rotation that will finish most mobs normal-con off by it's completion. You need all of the skill masteries (fist, shield, and spear) to make it quick and effective.
Here is what I am currently using:
1.) Warden's Triumph - Spear-Fist, Shield-Spear, Fist
2.) Mighty Blow - Spear-Shield, Fist-Spear
3.) Power Attack - Spear, Shield-Fist
4.) Onslaught - Spear, Shield, Spear
By the end of that rotation you are ready to start with WT again should you need to. This melts mobs very quickly. For signature mobs I have been throwing in Desolation instead of Onslaught and it seems to work well.
Thanks Dev, and enjoy all.