The important skills are Dire Bats, Soul Harvest and Vision Quest.
Basically, you have all your other skills have cooldown so that you trigger Vision Quest for the mana regeneration combined with Soul Harvest. Your Dire Bats will then be doing 5k+ damage per hit and you can spam it infinitely.
Very flexible build. You can replace the other skills wit whatever suits you but just make sure you can sustain the Vision Quest.
http://us.battle.net/d3/en/calculator/witch-doctor#YcdTQP!UYV!.aY
The important skills are Dire Bats, Soul Harvest and Vision Quest.
Basically, you have all your other skills have cooldown so that you trigger Vision Quest for the mana regeneration combined with Soul Harvest. Your Dire Bats will then be doing 5k+ damage per hit and you can spam it infinitely.
Very flexible build. You can replace the other skills wit whatever suits you but just make sure you can sustain the Vision Quest.
Happy hunting.
Here's a stream of how effective it is. See the beautiful numbers.