Iron WaveAttack
Gain 5 Block. Deal 5 damage.
Is Iron Wave good in Slay the Spire 2?
Iron Wave is a common Ironclad attack in Slay the Spire 2. In combat it resolves as: Gain 5 Block. Deal 5 damage. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.
Across 9 recorded runs, decks running it win 22.2% of the time, comfortably clear of the 12.0% average, by 10.2%. It’s a more selective pick, turning up in just 1.6% of decks that could run it. Ironclad players keep it in 17.3% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.6 times in the decks that take it.
It performs best next to Shrug It Off — together they post a +44.5% swing in win rate. It also has strong chemistry with the relic Lantern, which moves its win rate by +11.1%. At 1 energy, it’s upgraded in 28.6% of runs and usually joins the deck around floor 6.
Upgraded, it gains +2 Damage, +2 Block, which is why so many decks invest a rest-site upgrade in it. That’s 2 wins, 7 deaths, and 0 abandoned runs with it in the deck. Read on for Iron Wave’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Ironclad run.
Iron Wave Win Rate & Pick Rate
Iron Wave’s 22.2% win rate clears the 12.0% all-deck average by 10.2%, the gap charted below.
Run Outcomes with Iron Wave
Iron Wave has 2 wins and 7 losses over 9 tracked runs (22.2% won); abandoned runs count as losses.
- Wins 22.2%
- Losses 77.8%
Best Cards to Pair with Iron Wave
Ranked by win-rate lift, Iron Wave performs best alongside Shrug It Off (+44.5%), Vicious (+11.1%), and Anger (+11.1%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Iron Wave Win Rate by Class
Iron Wave is drafted only by the Ironclad, where it holds a 22.2% win rate across 9 runs.
The Ironcladappears in 17.3% of its runs (9 tracked)Best Relics for Iron Wave
Iron Wave pairs best with the relics Lantern (+11.1%), Akabeko (+11.1%), and Bronze Scales (+2.8%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Iron Wave Card Details
Iron Wave is a common attack costing 1 energy; it’s upgraded in 28.6% of runs and usually picked up by floor 6.
Gain 5 Block. Deal 5 damage.
Upgrade: +2 Damage, +2 Block
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Iron Wave – Frequently Asked Questions
Is Iron Wave good in Slay the Spire 2?
Across 9 tracked runs, Iron Wave has a 22.2% win rate — +10.2% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Iron Wave do in Slay the Spire 2?
Iron Wave costs 1 energy. Gain 5 Block. Deal 5 damage.
What class is Iron Wave in Slay the Spire 2?
Iron Wave is a Common Ironclad Attack.
Is Iron Wave worth upgrading in Slay the Spire 2?
Players upgrade Iron Wave in 28.6% of runs. Upgrading it grants +2 Damage, +2 Block.
What is the best relic for Iron Wave?
In tracked runs, Iron Wave has performed best alongside Lantern, which lifts its win rate by +11.1% over 3 runs together.
See Also
Compare Iron Wave with the rest of the best Slay the Spire 2 cards, relics, and classes below.