Comparison
Iron Soul: Dungeon Frost Rune vs Burn Rune
Compare Frost Rune and Burn Rune for control, damage-over-time, cave farming, and enchant planning.
Quick answer
Frost Rune is the safer utility choice because it can slow enemies before bonus damage. Burn Rune is the simpler damage-over-time choice. Exact proc chance, duration, and damage vary by level and need testing.
Best for
Use this before reading the full criteria table.
Frost Rune
Control, safer routing, enemies that need slow windows
Chance, duration, and final damage vary by level.
Burn Rune
Damage-over-time testing and stable farm routes
Tick damage and duration vary by level.
Comparison table
This table compares decision criteria, not hidden game formulas.
| Criteria | Frost Rune | Burn Rune | Winner | Notes |
|---|---|---|---|---|
| Main effect | Applies Frost, slows, then deals bonus damage at effect end. | Applies Burn damage over time. | Depends on route | Frost helps safety; Burn helps damage tracking. |
| Beginner value | Useful when enemies are dangerous and slow windows matter. | Useful when enemies live long enough for DoT value. | Frost Rune | Control is easier to feel before exact damage is tested. |
| Source | Cave of Runes, Grocery, Season Battle Pass. | Cave of Runes, Grocery, Season Battle Pass. | Tie | Exact rates are not public. |
| Armor effectiveness | 40% Helmet / 60% Body. | 40% Helmet / 60% Body. | Tie | Slot choice should be tested by level. |
Recommendation
Choose Frost Rune first if survival or control is the problem. Choose Burn Rune when you are farming stable routes and can record damage-over-time value clearly.
Source notes
Verified: Frost and Burn effect descriptions, sources, and armor effectiveness are publicly listed.
Not verified: exact proc chance, duration, tick rate, and level scaling in local test data.
Frost Rune vs Burn Rune FAQ
Is Frost Rune better than Burn Rune?
Frost Rune is better for control and safety. Burn Rune is better when you want damage-over-time testing on stable routes.
Where do Frost and Burn runes come from?
Public item notes list Cave of Runes, Grocery purchases, and Season Battle Pass as sources.