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’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 333 recorded runs, decks running it win 32.5% of the time, comfortably clear of the 14.3% average, by 18.3%. It’s a more selective pick, turning up in just 1.2% of decks that could run it. Taken in 21.5% of its offers, it still trails on the pick-versus-skip split: 36.0% for runs that took it against 38.8% for runs that left it, a -2.8% pick lift over 242 decided runs. Silent players keep it in 5.5% 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 Adrenaline — together they post a +26.8% swing in win rate. It also has strong chemistry with the relic Festive Popper, which moves its win rate by +33.0%. At 1 energy, it’s upgraded in 29.6% of runs and usually joins the deck around floor 18.

That’s 108 wins, 224 deaths, and 1 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Kaiser Crab Boss, which closes out 6.9% 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.

Pick or Skip: Corrosive Wave

Out of 1179 recorded offers Corrosive Wave is taken 21.5% of the time, and taking it is worth -2.8% in pick lift — 36.0% for runs that picked it against 38.8% for runs that skipped, across 242 decided runs.

Taken 253 times out of 1179 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 Corrosive Wave

Corrosive Wave is strongest when it joins the deck in Act 3, where runs win 46.7% across 30 runs — one of 4 recorded pickup windows.

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

Best Cards to Pair with Corrosive Wave

Ranked by win-rate lift, Corrosive Wave performs best alongside Adrenaline (+26.8%), Blade of Ink (+26.0%), and Phantom Blades (+23.1%).

Adrenaline+26.8%69 runsBlade of Ink+26.0%29 runsPhantom Blades+23.1%31 runsAssassinate+23.1%49 runsFan of Knives+22.7%44 runsKnife Trap+22.0%30 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 32.8% win rate across 324 runs.

The Silentappears in 5.5% of its runs (324 tracked)

Best Relics for Corrosive Wave

Corrosive Wave pairs best with the relics Festive Popper (+33.0%), Horn Cleat (+32.2%), and Fragrant Mushroom (+31.4%), ranked by win-rate lift.

Festive Popper+33.0%54 runsHorn Cleat+32.2%30 runsFragrant Mushroom+31.4%17 runsMiniature Cannon+27.0%25 runsSnecko Skull+26.2%34 runsPrayer Wheel+26.1%17 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 29.6% of runs and usually picked up by floor 18.

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 Kaiser Crab Boss (6.9%), Aeonglass Boss (5.7%), and Queen Boss (4.8%).

• Kaiser Crab Boss6.9% of runs
• Aeonglass Boss5.7% of runs
• Queen Boss4.8% of runs
• Knowledge Demon Boss4.2% of runs
• Infested Prisms Elite3.9% of runs

See Also

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