If you have seen Affliction warlocks in PvP, their strategy may seem simple: just keep their distance from their opponent while bursting DoT spells, but actually it is very hard to do that against an experienced player, so you'll need a warlock pvp guide that can provide detailed info on talents to take.
Abilities
Your main killing method is your DoT spell, so obviously you want to take talents that boost your spells damage, but there are other talents that you need too. Here's the PvP Warlock talent build that focused on Affliction:
1. Improved Corruption; boost all of your Corruption by 10%, you don't want to miss this since you are an Affliction warlcok.
2. Suppression; improve your spells possibility to hit by 3% and decrease mana cost for your Affliction spells by 6%.
3. Improved Curse of Agony; boost your Curse of Agony by 10%.
4. Improved Drain Soul; boost your Drain Soul.
5. Soul Siphon; both of your Drain Life and Drain Soul are improved.
6. Fel Concentration; having this will make it even more difficult for your opponent to distrub your channeling spells.
7. Nightfall; throw that instant Shadow Bolt to your enemy for extra damage.
8. Empowered Corruption; increase your Corruption spell damage.
9. Siphon Life; increase some DoT spells damage and heal you when you use Corruption spells.
10. Shadow Embrace; boost the power of Haunt and Shadow Bolt. Also decrease all of periodic healing such as Priest's Renew at the same time.
11. Shadow Mastery; power up your Shadow spells by 15%.
12. Eradication; each time you damaging your target with Corruption spells, you have 6% chances to increase your casting speed for the next 10 seconds.
13. Contagion; boost the damage of your Corruption spell and at the same time make it harder to be dispelled.
14. Malediction; increase your spell damage by 3%. Additionally, it boosts your periodic critical strike possibility of your Corruption and Unstable Affliction by 9%.
15. Death Embrace; improve your Drain Life by 30% when your health is beneath 20%. If your health is below 20% in 5v5 you are going to be dead in seconds, so it's not that valuable in team PvP, however it has some impact in 1v1 battle. Another effect is increasing your Shadow spells damage by 12% when your target's health is under 35%; this is very useful to end the battle quickly.
16. Unstable Affliction; 1150 Shadow damage for 15 second with 2070 damage and silence effect as "bonuses" for anyone dare to dispel it.
17. Everlasting Affliction; your Haunt and Drain Life spell can totally reset the duration of Corruption spell on the target.
18. Haunt; deal 654-673 Shadow damage and improve all DoT on the target. When it dispelled or ends the soul return and heals you for 100% of the damage.
You may have read other pvp guide for warlock that recommend to spend the points that left in Demonology to make you harder to kill, but for this warlock talent build, I'll pour some points in Improved Shadow Bolt. It is useful for your Nightfall talent and as a reserve spell in case your curses aren't work effectively on your opponent.
Your Enemy
On some occasions, you may get away with only the basic tactic: running around while casting DoT spells and Fear, but what if your enemy can counter those skills? These are some skills that dangerous for you:
1. Drain your mana; you will be fully rely on your mana for combat. Without it, you are less dangerous than a Baby Bunny.
Solution: You can replenish your mana by using Life Tap, but you should act based on your current condition and surrounding.
2. Remove your curses; having Shadow Bolt or other direct damage skills as a reserve can help you in this situation; otherwise, you have to play strategically with strict mana management.
Solution: Having Contagion and Unstable Affliction can make it harder to dispel your spells.
3. Resist to Fear; I can't give you real solution for this. You still have chance to win, but it will be more difficult to creating distance since your opponent can chase you with their full speed.
The answers above are just making it tougher for your opponent, but it will not make you win the battle. If you want to increase your winning chance, you have to know strength and weakness of each class, including your own. A great counter strategy can be designed according to those data.
About the Author:
Figure out six aspects that you need to become unequalled in pvp on pvp guide for WoW. Also, check out the facts of the best pvp guide in WoW on PvP Bible review.

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