Destruction Warlock

Is Destruction worth levelling?

Viable but distinctly slower, and every source that compares the three specs says so. The numeric ratings are the clearest evidence:

The reasons, in the sources' own words: "You have less passive sustain than Affliction and less pet support than Demonology" · "Most of your damage requires you to stand still", and "taking damage while casting causes spell pushback" · "Searing Pain generates significant threat, however, and this build does not have the threat reduction from Suppression" · "much of the specialization's new WoW Forever identity comes online at higher levels."

The sharpest version is the wand argument, and it is why one guide publishes no level-20 Destruction build at all: "Wands are a great early replacement for Shadow Bolt: they deal nearly equal damage, or more with a good wand, at no mana cost." A free wand competing with a mana-costing hard cast guts the entire point of the spec. Forever also cut its numbers hard — Conflagrate 84–106 where Classic gave 240–306; Soul Fire 334–420 against 623–783 — while Ruin went from a 1-rank 100% talent to a 5-rank one that only reaches 100% at 5/5.

In fairness, its own counter-argument: "Destruction does not need as much time to ramp as Affliction, making its direct damage useful when dungeon enemies are dying quickly." Its dungeon rating is 4.0, the same as the other two. This is a soloing weakness specifically.

Your talent points

Level 20 — 0/0/11, and here the prose and the calculator agree exactly:

1. Bane, 5 points
2. Destructive Reach, 2 points
3. Cataclysm, 3 points
4. Shadowburn at 20

Named alternatives: "Improved Shadow Bolt and Aftermath are both strong alternatives, but this build prioritizes reliable leveling benefits that do not depend on Critical Strike, since we won't have much at this level."

Level 30 — 0/0/21. Two published builds differ by exactly one 5-point block: both take Bane 5, Ruin 5, Shadowburn 1, Agonizing Flames 3, Conflagrate 1, Bane of Havoc 1 — then one adds Improved Shadow Bolt 5 and the other adds Aftermath 5. One notes: "Sadly, Shadow and Flame is still out of reach."

Rotation

1. Send the demon in
2. Curse
3. Immolate — "one of your most important Destruction spells"
4. Corruption only "when the enemy will live long enough for the DoT to be worthwhile"
5. Bane of Agony on tougher enemies only
6. Shadow Bolt as your primary filler. This is the one spec where it beats the wand, because Bane cuts its cast time
7. Searing Pain when you need damage faster — "be careful with the additional threat"
8. Drain Life for health; wand when the target is nearly dead
9. Shadowburn to finish — "if a non trivial enemy dies within 8 seconds of being hit by it you gain a Soul Shard"
10. Drain Soul instead when you specifically need shards

From 30: maintain Immolate → Conflagrate → Shadow Bolt → Shadowburn below the execute threshold → Life Tap.

Multi-target: Rain of Fire at 20, and "In dungeons, let the tank establish threat before channeling it." From 30 the cleave tool is Bane of Havoc — 15% of your damage copied onto one marked target for 5 minutes. The published rule for it: "When an add must die quickly but the boss should keep taking damage, mark the boss and put your casts into the add."

Your demon

Same unlocks — Imp 2, Voidwalker 10, Succubus 20, Felhunter 30 — but Destruction has no pet talents at all.

That makes the Voidwalker matter more here than in the other two specs, not less: you are a stand-still caster with no threat reduction. Beta reports say it "generated an extremely high amount of threat" and is "the safest demon to use while leveling because it can hold enemies away from you while you hard cast."

Stat priority

Spell Power, then Hit, Haste, critical strike, Spirit, Intellect, Stamina.

Note the divergence: Haste is third here and last for the other two specs. The reason is stated: "Destruction relies heavily on hard casts, so Haste benefits spells such as Shadow Bolt and Immolate." Hit is called out harder too: "Destruction does not take Suppression at this level, so you receive no Hit from your talent build."

What defines Destruction

What Forever changed for Destruction

• Five new talents: Molten Skin (−10% all damage taken at 5/5 — real survivability, though that is level 19; rank 1 at 15 is −2%), Bane of Havoc, Fire and Brimstone, Shadow and Flame, and the capstone Incinerate.
• Shadow and Flame gates Conflagrate's behaviour: a 20% chance not to consume Immolate at rank 1, 100% at rank 5 — but it sits at tier 6, so level 34 at the earliest and unreachable at either beta cap. Until then every Conflagrate eats your Immolate; budget for the re-cast.
• The tree was heavily compressed: Destructive Reach 4→1 (and it now extends the range of all your damaging spells), Bane 2→1, Ruin 5→3, Conflagrate 7→4.
• Improved Shadow Bolt is now a personal debuff. The warning attached to it: "This is a personal benefit, not the original Classic four-charge Shadow vulnerability shared by damage sources… Do not build a group assignment around supplying that old debuff."
• Aftermath was repurposed to +Immolate initial damage and a Conflagrate daze. Improved Searing Pain was renamed Agonizing Flames. Five removed: Improved Immolate, Emberstorm, Devastation, Improved Firebolt, Improved Lash of Pain.
• Curse of Shadow no longer exists. Curse of the Elements now reduces all magic resistances by 30 and increases all magic damage taken by 4%, and it is trained at 20 rather than Classic's 32. Some sites' rotations still tell you to cast Curse of Shadow; they are stale.

At level 60

Unknown, and honestly so: "Bane of Havoc, Shadow and Flame, Incinerate, Conflagrate, and Shadowburn create a much deeper toolkit than original Classic, but the final rotation will depend heavily on tuning and the encounters available at Level 60." In practice nothing past roughly 15 points in this tree has been played by anyone.