Were you seeking information about Hellfire Peninsula, the first zone you will step in when going to Outland through the Dark Portal?
| Hellfire | |
|---|---|
| |
| Properties | |
| Class | Warlock |
| School | Fire |
| Cooldown | none/GCD |
| Improvements |
Cataclysm,  [Aftermath],  [Intensity],  [Destructive Reach]?,  [Pyroclasm], Emberstorm. |
| Related buff | |
| |
Overview
Hellfire is an PBAoE spell during which pulses of fire radiate out each second from the caster, causing damage to enemies within range and the caster himself. This spell is a channeling spell, so interruptions can shorten the duration and thus the damage output.
Functionality
| Rank | Mana Cost | Damage | Level | Cost |
|---|---|---|---|---|
| 1 | 639 | 83 | 30 | 60
|
| 2 | 965 | 139 | 38 | 2 20
|
| 3 | 1287 | 208 | 54 | 4 40
|
| 4 | 1665 | 306 | 68 | 5 67
|
Notes
Taking the Intensity talent reduces the chance of interruption during this spell. Warlocks can combine Intensity with 
[Concentration Aura] to make Hellfire uninterruptible.
Warlocks are unable to resist the damage that Hellfire does to themselves unless they use the Sacrifice ability of the Voidwalker, then the shield will take the damage until the shield fails or the effect is interrupted by moving.
This is a great spell to use with an experienced healer, if you're not being focused on, and in large groups of enemies. Once started you deal out tremendous damage but also receive as much. Compared to other AOE, Hellfire is incredibly mana efficient, not taking into account the mana needed to heal. A popular combo is warlock/priest since 
[Power Word: Shield] minimizes channeling time lost, and if combined with 
[Holy Nova], mobs die fast and the warlock is never in danger of dying.
It can also be used to a certain extent in some encounters to AoE tank, provided the warlock does have Intensity and a Paladin with [Concentration Aura], however they do require more healing than a Paladin in general.
If the warlock dies from this spell's effect, they take no durability damage. This allows the Warlock to save some repair costs when faced with certain doom. In such a scenario, a Warlock will typically use life tap to get low on health fast, then use Hellfire.
Hellfire receives 1/7th of your spell power per tic, for a total of 214,3% (=15/7) over the full duration.
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