fast multi-hit builds (daggers, katanas)
Burn 4–8% plays best here ; secondary rolls can add Damage or Swiftness.
Flame Spark
rare B for weapons Dot
Ignites targets for 4–8% of weapon damage per second as burning.
Rune stats
- Primary
- Burn
- Roll range
- 4–8%
- midpoint 6%
- Proc chance
- 50.0%
- per hit
- Effect kind
- Dot
- Applies to
- Weapon
- Rarity
- rare
- B tier
True DPS gain at 10x / quality 100
| Weapon | Class | True speed | DPS no rune | DPS +Flame Spark 6% | Gain |
|---|---|---|---|---|---|
| Sakura Worldsplitter | Colossal Sword | 1.755s | 262 | 290 | +10.5% |
| Frostpetal Blade | Katana | 0.94s | 170 | 180 | +5.6% |
| Pocket Shiv | Dagger | 0.62s | 65 | 67 | +3.7% |
Fixed recipe: 10x multiplier, quality 100, no trait ores. Fastest dagger vs mid katana vs heaviest colossal — proc and DoT runes ride the swing rate, so speed classes squeeze the most out of them.
Who should socket Flame Spark
boss melting stacks that keep procs rolling
Burn 4–8% plays best here ; secondary rolls can add Damage or Swiftness.
Frequently asked questions
What does Flame Spark do in The Forge? ＋
Ignites targets for 4–8% of weapon damage per second as burning. It sockets into weapons and rolls 4–8% on the Burn primary stat, with a 50.0% proc chance per hit.
How much DPS does Flame Spark add? ＋
At the midpoint roll (6%), Flame Spark adds up to 10.5% true DPS on a 10x forge — biggest gains land on Sakura Worldsplitter. See the sample table for per-weapon math.
What are the best weapons for Flame Spark? ＋
Socket it on fast multi-hit builds (daggers, katanas) — proc and DoT runes scale with hit rate, so faster weapons squeeze more out of every roll.
Where do you get Flame Spark? ＋
Flame Spark is a rare rune (B tier). Secondary rolls can add Damage, Swiftness, Crit Chance — chase a high primary roll first, secondaries are gravy.