Countdown•Power

Is Countdown good in Slay the Spire 2?

In Slay the Spire 2, Countdown is an uncommon power from the Necrobinder card pool. Its effect: At the start of your turn, apply 6 Doom to a random enemy. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 115 tracked runs its win rate sits at 30.6%, 11.6% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 3.0% of eligible runs. Within Necrobinder runs it’s drafted 13.8% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.2 copies on average.

Its standout pairing so far is Fasten, which lifts its win rate by +28.6% when the two share a deck. On the relic side, Strawberry is its standout companion, worth a +23.2% win-rate swing alongside it. It costs 1 energy, gets upgraded 37.4% of the time, and tends to be picked up near floor 16.

Of the runs that drafted it, 33 ended in victory against 75 deaths and 7 abandons. Its most common run-ender is Decimillipede Elite, finishing 6.1% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Countdown fits a Necrobinder deck.

Best Cards to Pair with Countdown

Countdown’s strongest card pairings so far are Fasten (+28.6%), Debilitate (+24.2%), and Mad Science (+19.8%), each shown with the win-rate lift it adds.

Fasten+28.6%7 runsDebilitate+24.2%13 runsMad Science+19.8%4 runsDelay+19.7%12 runsOblivion+17.9%21 runsUltimate Defend+17.1%9 runs

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

Countdown Win Rate by Class

Exclusive to the Necrobinder, Countdown posts a 30.6% win rate over 115 tracked runs.

The Necrobinderappears in 13.8% of its runs (115 tracked)

Best Relics for Countdown

The relics that swing Countdown’s win rate the most are Strawberry (+23.2%), Pen Nib (+22.4%), and Potion Belt (+21.5%), with each lift shown.

Strawberry+23.2%18 runsPen Nib+22.4%9 runsPotion Belt+21.5%18 runsSword of Jade+19.8%4 runsOddly Smooth Stone+19.6%18 runsStone Cracker+16.8%7 runs

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

Countdown Card Details

A 1-energy uncommon power, Countdown is upgraded 37.4% of the time and tends to enter the deck around floor 16.

At the start of your turn, apply 6 Doom to a random enemy.

What Ends Runs with Countdown

Runs holding Countdown end most often against Decimillipede Elite (6.1%), Knowledge Demon Boss (5.2%), and Ceremonial Beast Boss (4.3%) — the share of its runs each accounts for is shown.

• Decimillipede Elite6.1% of runs
• Knowledge Demon Boss5.2% of runs
• Ceremonial Beast Boss4.3% of runs
• Kaiser Crab Boss4.3% of runs
• Doormaker Boss3.5% of runs

See Also

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