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 D tier in our Slay the Spire 2 card rankings.

Across 266 recorded runs, decks running it win 18.0% of the time, comfortably clear of the 14.0% average, by 4.1%. It’s a more selective pick, turning up in just 2.3% of decks that could run it. Taken in 21.1% of its offers, it still trails on the pick-versus-skip split: 18.0% for runs that took it against 23.4% for runs that left it, a -5.2% pick lift over 228 decided runs. Ironclad players keep it in 9.8% 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 +30.0% swing in win rate. It also has strong chemistry with the relic Whetstone, which moves its win rate by +22.0%. At X energy, it’s upgraded in 46.5% of runs and usually joins the deck around floor 13.

Upgraded, it gains +3 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 47 wins, 214 deaths, and 5 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 6.4% 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.

Pick or Skip: Whirlwind

Out of 1163 recorded offers Whirlwind is taken 21.1% of the time, and taking it is worth -5.2% in pick lift — 18.0% for runs that picked it against 23.4% for runs that skipped, across 228 decided runs.

Taken 246 times out of 1163 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 Whirlwind

Whirlwind is strongest when it joins the deck in Act 3, where runs win 45.0% across 20 runs — one of 3 recorded pickup windows.

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

Best Cards to Pair with Whirlwind

Ranked by win-rate lift, Whirlwind performs best alongside Stoke (+30.0%), Crimson Mantle (+19.3%), and Colossus (+17.5%).

Stoke+30.0%26 runsCrimson Mantle+19.3%27 runsColossus+17.5%57 runsAggression+17.0%18 runsFeel No Pain+15.7%25 runsPact's End+14.6%17 runs

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

Whirlwind Win Rate by Class

Whirlwind is drafted only by the Ironclad, where it holds a 18.1% win rate across 264 runs.

The Ironcladappears in 9.8% of its runs (264 tracked)

Best Relics for Whirlwind

Whirlwind pairs best with the relics Whetstone (+22.0%), Bag of Preparation (+21.6%), and Pendulum (+20.3%), ranked by win-rate lift.

Whetstone+22.0%37 runsBag of Preparation+21.6%35 runsPendulum+20.3%27 runsPear+19.2%19 runsParrying Shield+18.3%17 runsMercury Hourglass+17.8%23 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 46.5% of runs and usually picked up by floor 13.

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 (6.4%), The Insatiable Boss (6.0%), and Kaiser Crab Boss (4.5%).

• Test Subject Boss6.4% of runs
• The Insatiable Boss6.0% of runs
• Kaiser Crab Boss4.5% of runs
• Waterfall Giant Boss4.5% of runs
• Knowledge Demon Boss4.5% of runs

See Also

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