Decay
Win Rate
100.0%
Pick Rate
0.6%
Δ vs Avg
+87.4

DecayCurse

Curse
TypeCurse
RarityCurse
Cost-
ClassCurse
MethodologyData Methodology

At the end of your turn, if this is in your Hand, take 2 damage.

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Is Decay good in Slay the Spire 2?

Decay is a curse Curse curse in Slay the Spire 2. In combat it resolves as: At the end of your turn, if this is in your Hand, take 2 damage. It ranks among the strongest cards its class can draft right now, earning a spot at S tier in our Slay the Spire 2 card tier list.

Across 3 recorded runs, decks running it win 100.0% of the time, comfortably clear of the 12.6% average, by 87.4%. It’s a more selective pick, turning up in just 0.6% of decks that could run it. Ironclad players keep it in 2.0% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.3 times in the decks that take it.

At - energy, it’s upgraded in 0.0% of runs and usually joins the deck around floor 27.

That’s 3 wins, 0 deaths, and 0 abandoned runs with it in the deck. Read on for Decay’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Curse run.

Decay Win Rate & Pick Rate

Decay’s 100.0% win rate clears the 12.6% all-deck average by 87.4%, the gap charted below.

Win rate100.0%
Average deck12.6%
+87.4% vs averagePick rate: 0.6%3 runs (limited)

Run Outcomes with Decay

Decay has 3 wins and 0 losses over 3 tracked runs (100.0% won); abandoned runs count as losses.

  • Wins 100.0%
  • Losses 0.0%

Decay Win Rate by Class

Decay is played across 3 classes, led by Ironclad (100.0%), Necrobinder (100.0%), and Regent (100.0%) by win rate.

Decay Card Details

Decay is a curse curse costing - energy; it’s upgraded in 0.0% of runs and usually picked up by floor 27.

At the end of your turn, if this is in your Hand, take 2 damage.

Cost-
TypeCurse
RarityCurse
ClassCurse
Avg copies / deck1.3
Upgraded0.0%
Typical pickup floor27

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Decay – Frequently Asked Questions

Is Decay good in Slay the Spire 2?

Across 3 tracked runs, Decay has a 100.0% win rate — +87.4% above the average deck. Win rate reflects how often runs that include the card end in victory.

What does Decay do in Slay the Spire 2?

Decay costs - energy. At the end of your turn, if this is in your Hand, take 2 damage.

What class is Decay in Slay the Spire 2?

Decay is a Curse Curse Curse.

Is Decay worth upgrading in Slay the Spire 2?

Decay can be upgraded at a rest site to improve its effect.

See Also

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