Cataclysm

Warlock · Destruction · opens at 5 points spent · 3 ranks

Cataclysm works differently in World of Warcraft: Forever than it does in Classic Era.

Cataclysm ranks in Forever

Rank 1 Reduces the Mana cost of your Destruction spells by 3%.
Rank 2 Reduces the Mana cost of your Destruction spells by 6%.
Rank 3 Reduces the Mana cost of your Destruction spells by 9%.

Slot corrected from a secondary source; not yet verified in footage.

What Cataclysm does in Classic Era

Forever changed this talent. The Classic Era wording is kept here rank for rank so the two can be read side by side. It has 5 ranks in Classic Era rather than 3.

Rank 1 Reduces the Mana cost of your Destruction spells by 1%.
Rank 2 Reduces the Mana cost of your Destruction spells by 2%.
Rank 3 Reduces the Mana cost of your Destruction spells by 3%.

Where Cataclysm sits in the Destruction tree

Cataclysm is a Destruction talent for Warlock. You need 5 points in Destruction before the row it sits on opens.

Same row: Molten Skin, Aftermath

How often people take Cataclysm

36 of the 206 public Warlock builds saved here — 17% — put at least one point in Cataclysm. Counted across the 1500 most viewed and voted public builds on this site. These are builds players made for themselves before the game is playable, so read them as what people are trying, not as advice.

Where this came from

Changed in Forever.

BlizzCon 2026 show-floor footage