PS: No whining about wasted point/slots on my pet. The points were dead and I had a free slot. Plus, pets are cool.

***START BUILD***
The CrippleTron™
Class: Ranger primary, Elementalist secondary
Focus: Anti-warrior/heavy damage support
Attributes
(16) 12 Marksmanship
(3) 2 Beastmastery
(11) 10 Expertise
8 Air Magic
2 Dead points
Skills(cast time/recharge time/energy after expertise)
Crippling Shot(Elite)
0s/10s/6en
If this attack hits, target is crippled(-50% speed).
Hunter's Shot
0s/6s/6en
+22 damage on this attack. If the target is moving, it bleeds for 20s.
Read the Wind
2s/10s/3en
For 12s: Arrows move faster, +15 damage for arrows.
Penetrating Attack
0s/5s/6en
+17 damage on this attack, 20% armor piercing.
Conjure Lightning
1s/60s/10en
For 60s: +~10 damage on all weapon attacks.
Enervating Charge
1s/5s/10en
~30 lightning damage to target. Target gets weakness(--damage on attacks) for ~12s.
Dodge
0s/30s/3en
For 5s: +33% speed and ~55% chance to dodge arrows.
Charm Animal
10s/0s/6en
Charm target animal to make it your companion as long as you have Charm Animal equipped.
Equipment
Runes: Superior Rune of Marksmanship - +3 Marksmanship, -75 health
-and-
Minor Rune of Expertise - +1 Expertise
-and-
(if I can find one/get it cheap)Minor Rune of Beastmastery - +1 Beastmastery
-and-
Superior Rune of Vigor - +50 health
-gives a total of-
25 health, +3 Marksmanship, +1 Expertise, +1 Beastmastery
Head: Hunter's Mask - 70AL, +1 Marksmanship
Armor set: Hunter's Set - 70AL, +30AL vs elemental, +15AL vs piercing, +5 Energy, +1 Regeneration
Bow: Flat Bow(for range and decent refire rate - 100' and 2s)
Strategy: Disable tanks with Crippling Shot and Enervating Charge, buff up with Read the Wind and Conjure Lightning and dish out punishment with Hunter's Shot, Penetrating Attack and regular attack. If in danger, use Crippling Shot and Dodge to escape. High Marksmanship ensures high damage. Pet deals minor damage and looks cool.

***END BUILD***