Thrash•Attack

Is Thrash good in Slay the Spire 2?

Thrash is a rare Ironclad attack in Slay the Spire 2. In combat it resolves as: Deal 4 damage twice. Exhaust a random Attack in your Hand and add its damage to this card. 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 8 recorded runs, decks running it win 42.9% of the time, comfortably clear of the 12.6% average, by 30.2%. It’s a more selective pick, turning up in just 1.5% of decks that could run it. Ironclad players keep it in 16.3% 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.

It performs best next to Dominate — together they post a +57.1% swing in win rate. It also has strong chemistry with the relic Razor Tooth, which moves its win rate by +23.8%. At 1 energy, it’s upgraded in 37.5% of runs and usually joins the deck around floor 14.

Upgraded, it gains +2 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 3 wins, 4 deaths, and 1 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Entomancer Elite, which closes out 25.0% of its appearances. Read on for Thrash’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Ironclad run.

Best Cards to Pair with Thrash

Ranked by win-rate lift, Thrash performs best alongside Dominate (+57.1%), Inflame (+23.8%), and Tremble (+17.1%).

Dominate+57.1%3 runsInflame+23.8%4 runsTremble+17.1%5 runsAnger+7.1%6 runsBludgeon+7.1%3 runsBash+7.1%7 runs

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

Thrash Win Rate by Class

Thrash is drafted only by the Ironclad, where it holds a 42.9% win rate across 8 runs.

The Ironcladappears in 16.3% of its runs (8 tracked)

Best Relics for Thrash

Thrash pairs best with the relics Razor Tooth (+23.8%), Burning Blood (0.0%), and Gorget (-9.5%), ranked by win-rate lift.

Razor Tooth+23.8%3 runsBurning Blood0.0%8 runsGorget-9.5%3 runsOrnamental Fan-9.5%3 runs

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

Thrash Card Details

Thrash is a rare attack costing 1 energy; it’s upgraded in 37.5% of runs and usually picked up by floor 14.

Deal 4 damage twice. Exhaust a random Attack in your Hand and add its damage to this card.

Upgrade: +2 Damage

What Ends Runs with Thrash

Thrash’s most common run-enders are Entomancer Elite (25.0%) and The Insatiable Boss (25.0%).

• Entomancer Elite25.0% of runs
• The Insatiable Boss25.0% of runs

See Also

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