I've picked a Demon Hunter, whose emphasis is on slowing the enemy and long-range damage, and on maintaining a consistent flow of damage.
His primary skill is Rapid Fire with Web Shot. 80% is a lot of slowing, and it helps to keep the enemies at a long distance. It also dovetails nicely with the passives Steady Aim (+20% dmg when at least 10 yds from enemies) and Cull The Weak (+15% dmg to slowed targets).
When enemies get too close, he uses Fan of Knives/Fan of Daggers (on 1) to slow and stun the enemies; he immediately casts Smoke Screen/Choking Gas (on 2), hopefully catching some enemies in the fumes, while evading unstunned enemies. His escape speed is enhanced by Tactical Advantage (+60% movement speed for 2 sec after casting Smoke Screen). While getting away, though, he's still attacking with Strafe/Equilibrium (secondary mouse skill, for intuitiveness). As soon as he reaches a safe distance, he'll switch back to Rapid Fire/Web Shot.
With Rapid Fire, Fan of Knives, and Strafe, this is a very Hatred-heavy build. Instead of simply using a hatred-generating skill, he uses Shadow Power/Night Bane (on 3), for both hatred regen and life steal.
Finally, to distract enemies and hold them at some distance, he uses Wolf Companion (on 4).
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His primary skill is Rapid Fire with Web Shot. 80% is a lot of slowing, and it helps to keep the enemies at a long distance. It also dovetails nicely with the passives Steady Aim (+20% dmg when at least 10 yds from enemies) and Cull The Weak (+15% dmg to slowed targets).
When enemies get too close, he uses Fan of Knives/Fan of Daggers (on 1) to slow and stun the enemies; he immediately casts Smoke Screen/Choking Gas (on 2), hopefully catching some enemies in the fumes, while evading unstunned enemies. His escape speed is enhanced by Tactical Advantage (+60% movement speed for 2 sec after casting Smoke Screen). While getting away, though, he's still attacking with Strafe/Equilibrium (secondary mouse skill, for intuitiveness). As soon as he reaches a safe distance, he'll switch back to Rapid Fire/Web Shot.
With Rapid Fire, Fan of Knives, and Strafe, this is a very Hatred-heavy build. Instead of simply using a hatred-generating skill, he uses Shadow Power/Night Bane (on 3), for both hatred regen and life steal.
Finally, to distract enemies and hold them at some distance, he uses Wolf Companion (on 4).
Here's the build:
http://us.battle.net/d3/en/calculator/demon-hunter#cdgjlQ!aYc!ZaYcac