Whirlwind•Attack

Is Whirlwind good in Slay the Spire 2?

Whirlwind is an uncommon Ironclad attack in Slay the Spire 2. In combat it resolves as: Deal 5 damage to ALL enemies X times. It currently underperforms most alternatives, sitting at F tier in our Slay the Spire 2 card rankings.

Across 78 recorded runs, decks running it win 19.7% of the time, right in line with the typical deck. It’s a more selective pick, turning up in just 2.1% of decks that could run it. Ironclad players keep it in 10.9% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.1 times in the decks that take it.

It performs best next to Stoke — together they post a +15.8% swing in win rate. It also has strong chemistry with the relic Mercury Hourglass, which moves its win rate by +19.0%. At X energy, it’s upgraded in 36.0% of runs and usually joins the deck around floor 15.

Upgraded, it gains +3 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 14 wins, 57 deaths, and 7 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 10.3% of its appearances. Read on for Whirlwind’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Ironclad run.

Best Cards to Pair with Whirlwind

Ranked by win-rate lift, Whirlwind performs best alongside Stoke (+15.8%), Body Slam (+13.5%), and Crimson Mantle (+13.5%).

Stoke+15.8%4 runsBody Slam+13.5%20 runsCrimson Mantle+13.5%8 runsFlash of Steel+13.4%3 runsColossus+12.0%12 runsRupture+11.7%9 runs

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

Whirlwind Win Rate by Class

Whirlwind is played across 2 classes, led by Ironclad (20.0%) and Necrobinder (0.0%) by win rate.

The Ironclad20.0%77 runsThe Necrobinder0.0%1 runs

Best Relics for Whirlwind

Whirlwind pairs best with the relics Mercury Hourglass (+19.0%), Stone Calendar (+18.5%), and Lizard Tail (+18.5%), ranked by win-rate lift.

Mercury Hourglass+19.0%9 runsStone Calendar+18.5%3 runsLizard Tail+18.5%4 runsBag of Preparation+18.2%11 runsHorn Cleat+17.0%9 runsTri-Boomerang+15.8%4 runs

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

Whirlwind Card Details

Whirlwind is an uncommon attack costing X energy; it’s upgraded in 36.0% of runs and usually picked up by floor 15.

Deal 5 damage to ALL enemies X times.

Upgrade: +3 Damage

What Ends Runs with Whirlwind

Whirlwind’s most common run-enders are Test Subject Boss (10.3%), The Insatiable Boss (7.7%), and Knowledge Demon Boss (6.4%).

• Test Subject Boss10.3% of runs
• The Insatiable Boss7.7% of runs
• Knowledge Demon Boss6.4% of runs
• Queen Boss6.4% of runs
• Waterfall Giant Boss3.8% of runs

See Also

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