You should try a geomancer build. They are extremely effective and fun. And rare.
How about this:
Earth Attunement
Glyph of Energy [elite]
Obsidian Flame
Stoning
Crystal Wave
Ward Against Melee/Elements (depending on location and foes encountered)
Rez skill
And I either took Heal Party or Armor of Earth or, more rarely, Earthquake. It was primarily about using Glyph of Energy and Obsidian Flame to spike, and using Crystal Wave and Stoning during the Glyph's recharge. None of the skills are that expensive and the glyph easily keeps exhaustion under control (or non-existent). This was in Prophecies so there aren't any Factions skills.
Other times I have used Glyph of Energy and Earthquake for KD spiking builds (both have a 15 second recharge so match well):
Earth Attunement
Glyph of Energy
Earthquake
Aftershock
Crystal Wave
Armor of Earth
Ward Against Melee/Elements
Rez skill
Using Armor of Earth you can 'tank' enough to use Aftershock and Crystal Wave then retreat. Aftershock of course does more damage after Earthquake but it and CW do very nice damage on their own without the extra KD bonus.
I haven't tried out many of the Factions earth skills yet but many of them look fun and effective. Using Armor of Earth (and/or Kinetic Armor) then using Shockwave and/or CW/Teinai's Crystals and/or aftershock can be some effective PBAoE damage.
Earth's defensive skills are very nice too. Ward of Stability helps a lot in the forest with the hammer warriors, and ward against melee/elements are obviously useful according to which foes you're fighting.
Plus, a pure geomancer makes a very effective farmer. If you don't have a 55 monk it is a good alternative. E.g. Elemental Attunement, Earth Attunement, Armor of Earth, Kinetic Armor, Whirlwind, Aftershock, Crystal Wave, Aura of Restoration. Bye bye minotaurs.
