CombustionA Fire Mage talent in WoW Forever: row 7 of the Fire tree (level 40), 1 rank, active. Changed from Classic. Read from the WoW Forever beta client.
What it does Fire row 7

Combustion1 rank · activeRequires 30 points in Fire Talents (level 40). Requires Critical Mass. Instant | 3 min cooldown.When activated, this spell causes each of your Fire damage spell hits to increase your critical strike chance with Fire damage spells by 10%. This effect lasts until you have caused 4 non-periodic critical strikes with Fire spells.Changed from Classic. Classic rank 1: When activated, this spell causes each of your Fire damage spell hits to increase your critical strike chance with Fire damage spells by 10%. This effect lasts until you have caused 3 critical strikes with Fire spells.
What changed from Classic
Classic rank 1When activated, this spell causes each of your Fire damage spell hits to increase your critical strike chance with Fire damage spells by 10%. This effect lasts until you have caused 3 critical strikes with Fire spells.
WoW Forever rank 1When activated, this spell causes each of your Fire damage spell hits to increase your critical strike chance with Fire damage spells by 10%. This effect lasts until you have caused 4 non-periodic critical strikes with Fire spells.
Who takes it pick rates from this site's builds
17% of Mage buildsTaken in 17% of the 21,981 complete Mage builds planned here, Sep 13 to 30, 2026.
0% of Arcane buildsTaken in 0% of the 5,783 builds that lead in Arcane.
44% of Fire buildsTaken in 44% of the 6,467 builds that lead in Fire, its own tree.
0% of Frost buildsTaken in 0% of the 9,731 builds that lead in Frost.
How it is countedEach build counts by what people did with it (opened, shared, saved), the way the calculator's pick-rate badges count. Updated daily, last on 2026-09-30.
Around it in the Fire tree
Every Fire talent 17
Every Arcane talent 18
Every Frost talent 19
From the WoW Forever beta client, checked in game with reader reports. Put points in Combustion in the Mage calculator, read every Mage talent in words (Arcane and Frost too), or see the racials, changed class abilities and Legacy perks. What changed for Mages since Classic tells the whole story.