Molten Egg
Win Rate
22.2%
Pick Rate
2.1%
Δ vs Avg
+9.6

Molten EggRelic

Rare
RarityRare
MethodologyData Methodology

Whenever you add an Attack card to your Deck, Upgrade it.

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Is Molten Egg good in Slay the Spire 2?

In Slay the Spire 2, Molten Egg is a rare relic you can pick up on your climb. Its effect: Whenever you add an Attack card to your Deck, Upgrade it. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 11 tracked runs the win rate of decks holding it sits at 22.2%, 9.6% ahead of the 12.6% all-run baseline. It sees lighter play, carried in only 2.1% of runs. It does its best work in the hands of the Necrobinder, who post a 100.0% win rate with it. Within Necrobinder runs specifically, it’s carried 1.2% of the time.

Its standout card pairing is Haze, which lifts the relic’s win rate by +11.1% when both are in play. It also works nicely with Clumsy, good for a +11.1% win-rate change. It typically enters the deck near floor 18. As a rare relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 2 ended in victory while 7 fell to a defeat. Its most common run-ender is Knowledge Demon Boss, finishing 18.2% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Molten Egg is worth grabbing.

Molten Egg Win Rate & Pick Rate

At a 22.2% win rate, Molten Egg runs 9.6% ahead of the 12.6% all-run baseline — the bars below put the two side by side.

Win rate22.2%
Average run12.6%
+9.6% vs averagePick rate: 2.1%11 runs

Run Outcomes with Molten Egg

Across the 11 runs that carried Molten Egg, 2 ended in a win and 9 in a loss — a 18.2% win share, counting abandons as losses.

  • Wins 18.2%
  • Losses 81.8%

Best Cards with Molten Egg

The cards that gain the most from carrying Molten Egg are Haze (+11.1%), Clumsy (+11.1%), and Defend (+11.1%), each shown with its win-rate swing.

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

Molten Egg Win Rate by Class

Of the 5 classes that carry Molten Egg, it performs best with Necrobinder (100.0%), Silent (33.3%), and Regent (0.0%).

Molten Egg Details

Carried in 2.1% of runs, Molten Egg is a rare relic typically acquired near floor 18.

Whenever you add an Attack card to your Deck, Upgrade it.

RarityRare
Typical pickup floor18
Pick rate2.1%
Runs tracked11

What Ends Runs with Molten Egg

Runs carrying Molten Egg end most often against Knowledge Demon Boss (18.2%) and Entomancer Elite (18.2%) — the share of its runs each accounts for is shown.

  • Knowledge Demon Boss18.2% of runs
  • Entomancer Elite18.2% of runs

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Molten Egg – Frequently Asked Questions

Is Molten Egg good in Slay the Spire 2?

Across 11 tracked runs carrying it, Molten Egg wins 22.2% of the time — +9.6% above the average run. Win rate reflects how often runs with the relic end in victory.

What does Molten Egg do in Slay the Spire 2?

Whenever you add an Attack card to your Deck, Upgrade it.

How rare is Molten Egg in Slay the Spire 2?

Molten Egg is a Rare relic, picked up in 2.1% of tracked runs.

What is the best card to use with Molten Egg?

In tracked runs, Molten Egg has performed best alongside Haze, which lifts its win rate by +11.1% over 3 runs together.

Which class is Molten Egg best in?

Molten Egg has its highest win rate with The Necrobinder (100.0%).

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.