Corrosive Wave•Skill

Is Corrosive Wave good in Slay the Spire 2?

Corrosive Wave is a rare Silent skill in Slay the Spire 2. In combat it resolves as: Whenever you draw a card this turn, apply Poison to ALL enemies. 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 51 recorded runs, decks running it win 41.9% of the time, comfortably clear of the 18.9% average, by 22.9%. It’s a more selective pick, turning up in just 1.4% of decks that could run it. Silent players keep it in 5.2% 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 Phantom Blades — together they post a +19.4% swing in win rate. It also has strong chemistry with the relic Lantern, which moves its win rate by +20.3%. At 1 energy, it’s upgraded in 22.6% of runs and usually joins the deck around floor 17.

That’s 18 wins, 25 deaths, and 8 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Infested Prisms Elite, which closes out 7.8% of its appearances. Read on for Corrosive Wave’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Silent run.

Best Cards to Pair with Corrosive Wave

Ranked by win-rate lift, Corrosive Wave performs best alongside Phantom Blades (+19.4%), Reflex (+18.1%), and Abrasive (+15.6%).

Phantom Blades+19.4%5 runsReflex+18.1%8 runsAbrasive+15.6%7 runsEscape Plan+14.1%11 runsExpose+14.1%10 runsBackflip+13.6%23 runs

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

Corrosive Wave Win Rate by Class

Corrosive Wave is drafted only by the Silent, where it holds a 41.9% win rate across 51 runs.

The Silentappears in 5.2% of its runs (51 tracked)

Best Relics for Corrosive Wave

Corrosive Wave pairs best with the relics Lantern (+20.3%), Potion Belt (+19.1%), and Strawberry (+17.0%), ranked by win-rate lift.

Lantern+20.3%9 runsPotion Belt+19.1%10 runsStrawberry+17.0%10 runsMeat on the Bone+16.6%4 runsPrecarious Shears+16.6%4 runsAnchor+16.2%11 runs

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

Corrosive Wave Card Details

Corrosive Wave is a rare skill costing 1 energy; it’s upgraded in 22.6% of runs and usually picked up by floor 17.

Whenever you draw a card this turn, apply Poison to ALL enemies.

What Ends Runs with Corrosive Wave

Corrosive Wave’s most common run-enders are Infested Prisms Elite (7.8%), Lagavulin Matriarch Boss (5.9%), and Mecha Knight Elite (3.9%).

• Infested Prisms Elite7.8% of runs
• Lagavulin Matriarch Boss5.9% of runs
• Mecha Knight Elite3.9% of runs
• Entomancer Elite3.9% of runs
• Knowledge Demon Boss3.9% of runs

See Also

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