Stack
Win Rate
50.0%
Pick Rate
0.1%
Δ vs Avg
+31.1

StackSkill

Event
TypeSkill
RarityEvent
Cost1
ClassEvent
MethodologyData Methodology

Gain Block equal to the number of cards in your Discard Pile|}.

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Is Stack good in Slay the Spire 2?

Stack is an event Event skill in Slay the Spire 2. In combat it resolves as: Gain Block equal to the number of cards in your Discard Pile|}. 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 5 recorded runs, decks running it win 50.0% of the time, comfortably clear of the 18.9% average, by 31.1%. It’s a more selective pick, turning up in just 0.1% of decks that could run it. Necrobinder players keep it in 0.2% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.0 times in the decks that take it.

At 1 energy, it’s upgraded in 0.0% of runs and usually joins the deck around floor 12.

Upgraded, it gains +3 CalculationBase, which is why so many decks invest a rest-site upgrade in it. That’s 2 wins, 2 deaths, and 1 abandoned runs with it in the deck. Read on for Stack’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Event run.

Stack Win Rate & Pick Rate

Stack’s 50.0% win rate clears the 18.9% all-deck average by 31.1%, the gap charted below.

Win rate50.0%
Average deck18.9%
+31.1% vs averagePick rate: 0.1%5 runs (limited)

Run Outcomes with Stack

Stack has 2 wins and 3 losses over 5 tracked runs (40.0% won); abandoned runs count as losses.

  • Wins 40.0%
  • Losses 60.0%

Stack Win Rate by Class

Stack is played across 3 classes, led by Necrobinder (100.0%), Defect (100.0%), and Silent (0.0%) by win rate.

Stack Card Details

Stack is an event skill costing 1 energy; it’s upgraded in 0.0% of runs and usually picked up by floor 12.

Gain Block equal to the number of cards in your Discard Pile|}.

Cost1
TypeSkill
RarityEvent
ClassEvent
Avg copies / deck1.0
Upgraded0.0%
Typical pickup floor12

Upgrade: +3 CalculationBase

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Stack – Frequently Asked Questions

Is Stack good in Slay the Spire 2?

Across 5 tracked runs, Stack has a 50.0% win rate — +31.1% above the average deck. Win rate reflects how often runs that include the card end in victory.

What does Stack do in Slay the Spire 2?

Stack costs 1 energy. Gain Block equal to the number of cards in your Discard Pile|}.

What class is Stack in Slay the Spire 2?

Stack is an Event Event Skill.

Is Stack worth upgrading in Slay the Spire 2?

Players upgrade Stack in 0.0% of runs. Upgrading it grants +3 CalculationBase.

See Also

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