Molten Fist•Attack

Is Molten Fist good in Slay the Spire 2?

Molten Fist is a common Ironclad attack in Slay the Spire 2. In combat it resolves as: Deal 10 damage. Double the enemy's Vulnerable. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 145 recorded runs, decks running it win 26.8% of the time, comfortably clear of the 18.9% average, by 7.9%. It’s a more selective pick, turning up in just 3.8% of decks that could run it. Ironclad players keep it in 20.2% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.4 times in the decks that take it.

It performs best next to Ashen Strike — together they post a +23.9% swing in win rate. It also has strong chemistry with the relic Mercury Hourglass, which moves its win rate by +24.0%. At 1 energy, it’s upgraded in 15.0% of runs and usually joins the deck around floor 12.

Upgraded, it gains +4 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 33 wins, 90 deaths, and 22 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 6.9% of its appearances. Read on for Molten Fist’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Ironclad run.

Best Cards to Pair with Molten Fist

Ranked by win-rate lift, Molten Fist performs best alongside Ashen Strike (+23.9%), Stoke (+21.4%), and Believe in You (+20.9%).

Ashen Strike+23.9%18 runsStoke+21.4%8 runsBelieve in You+20.9%4 runsOffering+19.3%12 runsCrimson Mantle+17.2%12 runsSecond Wind+17.2%12 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Molten Fist Win Rate by Class

Molten Fist is played across 2 classes, led by Ironclad (27.1%) and Silent (0.0%) by win rate.

The Ironclad27.1%143 runsThe Silent0.0%2 runs

Best Relics for Molten Fist

Molten Fist pairs best with the relics Mercury Hourglass (+24.0%), Petrified Toad (+21.9%), and Razor Tooth (+21.2%), ranked by win-rate lift.

Mercury Hourglass+24.0%13 runsPetrified Toad+21.9%14 runsRazor Tooth+21.2%6 runsAnchor+21.2%31 runsRed Skull+19.6%13 runsVenerable Tea Set+18.1%16 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Molten Fist Card Details

Molten Fist is a common attack costing 1 energy; it’s upgraded in 15.0% of runs and usually picked up by floor 12.

Deal 10 damage. Double the enemy's Vulnerable.

Upgrade: +4 Damage

What Ends Runs with Molten Fist

Molten Fist’s most common run-enders are Test Subject Boss (6.9%), Kaiser Crab Boss (4.8%), and The Insatiable Boss (4.8%).

• Test Subject Boss6.9% of runs
• Kaiser Crab Boss4.8% of runs
• The Insatiable Boss4.8% of runs
• Infested Prisms Elite4.1% of runs
• Knowledge Demon Boss4.1% of runs

See Also

Compare Molten Fist with the rest of the best Slay the Spire 2 cards, relics, and classes below.