Talent Builds
As it stands, Hellcaller is the preferred Hero Talent choice in all scenarios. Diabolist is the closest in ST, but I do not recommend playing it on higher target counts.
Hellcaller (Single Target)
Hellcaller (Cleave)
Hellcaller (Mythic+)
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In M+ we grab talents for Cataclysm and Channel Demonfire to make it easy to maintain Wither in mass AoE scenarios. Keep in mind that due to Roaring Blaze, the Hellcaller Cleave build can be a viable option in low-target count dungeons.
Diabolist (Single Target)
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Not far behind the Hellcaller ST build. Diabolist is a bit slower paced than Hellcaller, focusing on management of Diabolic Ritual and preferring a bit more Crit and Mastery for heavy hitting Chaos Bolt.
Class Talents
The Warlock talent tree is fairly linear until you reach the bottom gate. Before that point you are mostly picking between niche utility talents like Banish, or small defensive talents like Abyss Walker. At the bottom Pact Of Gluttony and Soulburn are must-haves, but in M+ we also need points for Shadowfury down to our chosen Blight. On the other hand, Frequent Traveler is very useful in Raid, so you have a lot of choices to make within the last section of the Warlock talent tree.
Soulburn
Soulburn is a very unique ability and versatile utility tool that consumes a Soul Shard to empower your next cast of certain spells. Here’s how it enhances each ability:
Demonic Circle: Teleport - Soulburning before teleporting gives you a small speed boost and makes you immune to snares (slows) and roots for 6 seconds. Important: if you only want to remove a slow, you can teleport AFTER the slow is applied without using Soulburn. However, to immune a root you need to Soulburn and teleport BEFORE the root is applied, pre-immuning the effect.
Demonic Gateway - Soulburn makes the cast instant, allowing you to place a gateway quickly during combat. The Soul Shard cost is often outweighed by the value of avoiding a hard-cast. A quick Soulburn > Gateway > Gateway Control Shard combo is a great tool for just getting around quickly yourself as a Warlock, either if it’s getting to a soak mechanic in time or just moving around. This is extra useful when talented into Frequent Traveler, which gives us more freedom to use Demonic Gateway as a personal mobility tool during raid fights.
Drain Life - Soulburning before pressing Drain Life gives you a small absorb in addition to the healing. Drain Life is your last resort defensively, but when talented into Gorefiend's Avarice and Empowered Drain Life it becomes a powerful on demand option to save you in a pinch.
Healthstone - You should always Soulburn before using a Healthstone. This increases its healing by 30% and boosts your maximum health by 20% for 12 seconds. Combined with Pact Of Gluttony, this becomes one of the strongest defensive tools we have as a Warlock. Also note that Dark Pact scales with current health, so using Soulburn + Healthstone before Dark Pact enhances the shield even more.
Mortal Coil
When its crowd control component isn’t needed, Mortal Coil effectively functions as a mini Healthstone, healing you for 20% of your maximum health on a 45 second cooldown. Keep in mind that Mortal Coil has a 20 yd range, increased to 30 yd with Improved Mortal Coil, 20 yds shorter than your regular spells. This plus the travel time of it makes you want to move in a bit closer to your target when you anticipate you will want to use it soon.
Strength of Will vs. Dark Accord
I generally prefer Dark Accord over Strength Of Will, as Warlocks are already naturally tanky, and the extra 15% damage reduction is often not necessary to survive, the reduced cooldown is therefore more valuable. That said, make sure you’re actually using Unending Resolve often - if not, the extra 15% mitigation might be a better pick for that specific encounter.
Swift Artifice
The Swift Artifice talent may seem minor, but it’s actually quite impactful. Thanks to Pact Of Gluttony, Warlocks can use Healthstone multiple times during an encounter. I highly recommend keybinding Create Healthstone so you can recast it mid-fight, maximizing the amount of times we can use one of the strongest self-heals in the game. Swift Artifice makes this smoother by reducing the cast time. It also benefits Soulstone, which has a surprisingly long cast, letting you combat resurrection faster and more reliably in raid and Mythic+ environments.
Blight of Weakness + Blight of Tongues
Blight Of Weakness and Blight Of Tongues are empowered Curses on a long cooldown.
For the most part we use Blights in M+, where they serve as extremely powerful and pull-enabling tools. Blight Of Weakness is rather niche, greatly reducing attack speed of all mobs hit. It can serve as a simple tank defensive on big pulls or allow the tank to reset debuffs that are applied on-hit.
On the other hand Blight Of Tongues greatly increases cast time of all mobs hit, this allows dangerous pulls to be more easily controlled and serves as one of our strongest pieces of utility in M+.
Spec Talents
Much like the Warlock class tree, the Destruction specialization tree follows a fairly consistent path across all builds. This is generally a positive thing as it allows you to maintain a strong single target profile even when you’re specced into cleave or AoE-focused builds.
Havoc vs. Mayhem
One of these should be selected any time an additional target is present for a significant duration. Mayhem is generally the preferred option due to it being passive and having a higher uptime, but Havoc can be taken instead when you cleave in a specific window or when the targets are too far apart for Mayhem to proc.
Shadowburn
Shadowburn is our most valuable spender in both single target and cleave scenarios, and as a general rule it should be used above Chaos Bolt in execute range or when it’s available through Fiendish Cruelty.
Soulfire
Soulfire should be pre-cast 4 seconds before the pull, and then used on cooldown as a mini CD. Keep in mind that it applies Immolate, but you will have to manually apply Immolate in between Soulfire casts.
Flashpoint
Flashpoint is a solid talent whenever enemies remain above 80% health for an extended period. This talent shines on fights with frequent add spawns.
Cataclysm + Channel Demonfire + Raging Demonfire
As mentioned in the talents section, this trio is excellent for maintaining Immolate in mass AoE. After applying Wither via Cataclysm, one or two casts of Channel Demonfire should be enough to extend them until the next Cataclysm comes off cooldown, removing the need to reapply them manually. In cleave scenarios this trio is unnecessary, as we can maintain Immolate via Roaring Blaze and tab-targeting.
Apex Talents
Our Apex Talents, Embers Of Nihilam, are not very interactive.
Embers Of Nihilam: Casting Incinerate, Chaos Bolt, Shadowburn or Rain Of Fire triggers an Echo Of Sargeras that does damage and grants both Haste and Crit.
Despite being simple, our Apex Talents are strong and should be taken in all scenarios.
Hero Talents
As mentioned in the Talents section, Hellcaller is currently superior in all content, but this is just a matter of tuning.
Hellcaller leans more into cleave and M+ scenarios, due to being centered around Wither, which empowers our multi-dotting, but it also gives more secondary stats which gains value with more targets. Additionally, Hellcaller has access to Curse of Satyr which is a valuable tool in M+ and frees up a talent point that would otherwise be spent on Curse Of Tongues.
Diabolist is a bit more of an all-rounder. The tree has some focus on Havoc, a bit of mass AoE with Ruination, but it also heavily incentivizes us to cast Chaos Bolt in almost all situations. Therefore it's typically a more Single Target centric Hero Tree; although it can have uses in 2 Target Cleave or burst AoE. An example of this could be weeklies in M+, where mobs do not live long enough to get Wither stacked as Hellcaller.
In terms of notable utility, Diabolist has Soul-Etched Circles, which gives Demonic Circle: Teleport the effects of Soulburn by default.
Hellcaller
Hellcaller replaces Immolate with Wither, a powerful instant cast DoT that accounts for a large portion of Hellcaller Destruction’s overall damage. Additionally, Hellcaller grants us an additional cooldown called Malevolence.
Malevolence - Timing and Optimization
Malevolence is Hellcaller’s 1-minute cooldown, granting 8% haste and empowering all active Withers. Because of this interaction, it’s important to apply Wither to all relevant targets before activating Malevolence.
When using Cataclysm to apply Wither, there’s a slight delay before those Witherd can be empowered. To counter this, make sure to always cast another spell in between Cataclysm and Malevolence, for example Channel Demonfire.
Blackened Soul - Maximizing Value
Blackened Soul is currently a very big part of Destruction's damage profile. To fully capitalize on this, you should aim to spend Soul Shard as many times as possible during Malevolence. It’s important to note that Malevolence increases Wither stacks per Soul Shard spender cast, not per shard. This makes Shadowburn especially valuable because of its low cost.
Diabolist
Diabolist grants access to Diabolic Ritual which makes it so when you cast Chaos Bolt, Rain Of Fire or Shadowburn a 20 second timer starts. If that timer was already present it’s duration is instead reduced by 2 seconds.
When a Diabolic Ritual ends you gain Demonic Art, which empowers your next cast of Chaos Bolt, Rain Of Fire or Shadowburn to summon a powerful demon in a fixed cycle:
- Overlord - Cleaves enemies and applies a 5% increased damage taken debuff to those hit for 15 seconds.
- Mother of Chaos - Cleaves and empowers your next Incinerate to become Infernal Bolt, which generates 2 full Soul Shards.
- Pit Lord - Cleaves and empowers your next Chaos Bolt to become Ruination, which is free to cast and deals massive AoE damage.
It is important to spend Demonic Art procs quickly to begin your next Diabolic Ritual.
Touch of Rancora - Optimizing Demonic Art
Touch of Rancora amplifies your Demonic Art casts by increasing their damage and reducing their cast time. Because of this, it’s highly recommended to spend Demonic Art procs on Chaos Bolt rather than Shadowburn.