My First character from day one was a War/Rang, level 20 pet and all. Energy killed it. There was never enough to battle with....I dropped the Ranger int he desert and moved to a Monk secondary so i could at least use the cheap heals and smites for the low energy.
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The Maddog
Monk Maddog
Mer Linski
Life Stealer Maddog
Blond Assasin
Spirit of the Land