Smokestack•Power

Is Smokestack good in Slay the Spire 2?

In Slay the Spire 2, Smokestack is an uncommon power from the Defect card pool. Its effect: Whenever you create a Status, deal 5 damage to ALL enemies. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 165 tracked runs its win rate sits at 28.2%, 14.3% ahead of the 13.9% all-deck baseline. It sees niche play, included in only 1.4% of eligible runs. When it is actually offered players take it 20.8% of the time, and that looks correct: those runs win 29.3% against 18.6% for runs that passed, a +9.8% pick lift over 116 decided runs. Within Defect runs it’s drafted 9.7% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.3 copies on average.

Its standout pairing so far is Skim, which lifts its win rate by +25.2% when the two share a deck. On the relic side, Red Mask is its standout companion, worth a +26.7% win-rate swing alongside it. It costs 1 energy, gets upgraded 27.5% of the time, and tends to be picked up near floor 14.

Of the runs that drafted it, 46 ended in victory against 117 deaths and 2 abandons. Its most common run-ender is Test Subject Boss, finishing 5.5% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Smokestack fits a Defect deck.

Pick or Skip: Smokestack

Players take Smokestack in 20.8% of the 641 offers it appears in; those runs win 29.3% against 18.6% for runs that passed, a pick lift of +9.8% over 116 decided runs.

Taken 133 times out of 641 offers.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

When to Pick Up Smokestack

Of the 4 pickup windows recorded for Smokestack, Act 3 is the best: 45.5% across 11 runs.

Win rate of runs by the act Smokestack entered the deck. Acts that have not reached the sample floor show their run count only.

Best Cards to Pair with Smokestack

Smokestack’s strongest card pairings so far are Skim (+25.2%), Supercritical (+24.5%), and Flak Cannon (+19.9%), each shown with the win-rate lift it adds.

Skim+25.2%29 runsSupercritical+24.5%20 runsFlak Cannon+19.9%27 runsReboot+19.3%17 runsBulk Up+15.3%31 runsFusion+15.1%15 runs

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

Smokestack Win Rate by Class

Exclusive to the Defect, Smokestack posts a 27.9% win rate over 162 tracked runs.

The Defectappears in 9.7% of its runs (162 tracked)

Best Relics for Smokestack

The relics that swing Smokestack’s win rate the most are Red Mask (+26.7%), Data Disk (+21.2%), and Ornamental Fan (+21.1%), with each lift shown.

Red Mask+26.7%17 runsData Disk+21.2%20 runsOrnamental Fan+21.1%16 runsBag of Preparation+19.8%25 runsBlood Vial+17.2%27 runsWar Paint+16.1%28 runs

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

Smokestack Card Details

A 1-energy uncommon power, Smokestack is upgraded 27.5% of the time and tends to enter the deck around floor 14.

Whenever you create a Status, deal 5 damage to ALL enemies.

What Ends Runs with Smokestack

Runs holding Smokestack end most often against Test Subject Boss (5.5%), Aeonglass Boss (4.2%), and Knowledge Demon Boss (4.2%) — the share of its runs each accounts for is shown.

• Test Subject Boss5.5% of runs
• Aeonglass Boss4.2% of runs
• Knowledge Demon Boss4.2% of runs
• Kaiser Crab Boss4.2% of runs
• Decimillipede Elite3.6% of runs

See Also

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