Echo Form•Power

Is Echo Form good in Slay the Spire 2?

Echo Form is a rare Defect power in Slay the Spire 2. In combat it resolves as: The first card you play each turn is played an extra time. It ranks among the strongest cards its class can draft right now, earning a spot at B tier in our Slay the Spire 2 card tier list.

Across 48 recorded runs, decks running it win 37.8% of the time, comfortably clear of the 19.0% average, by 18.8%. It’s a more selective pick, turning up in just 1.3% of decks that could run it. Necrobinder players keep it in 0.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.2 times in the decks that take it.

It performs best next to Compact — together they post a +23.3% swing in win rate. It also has strong chemistry with the relic Regal Pillow, which moves its win rate by +22.1%. At 3 energy, it’s upgraded in 27.6% of runs and usually joins the deck around floor 19.

That’s 17 wins, 28 deaths, and 3 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Decimillipede Elite, which closes out 6.3% of its appearances. Read on for Echo Form’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.

Best Cards to Pair with Echo Form

Ranked by win-rate lift, Echo Form performs best alongside Compact (+23.3%), Creative AI (+18.9%), and Fight Through (+17.1%).

Compact+23.3%6 runsCreative AI+18.9%9 runsFight Through+17.1%7 runsRocket Punch+16.5%8 runsStorm+15.8%13 runsMachine Learning+14.1%5 runs

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

Echo Form Win Rate by Class

Echo Form is played across 2 classes, led by Necrobinder (100.0%) and Defect (36.4%) by win rate.

The Necrobinder100.0%1 runsThe Defect36.4%47 runs

Best Relics for Echo Form

Echo Form pairs best with the relics Regal Pillow (+22.1%), Red Mask (+21.1%), and Kunai (+20.7%), ranked by win-rate lift.

Regal Pillow+22.1%8 runsRed Mask+21.1%10 runsKunai+20.7%5 runsEternal Feather+17.8%4 runsAnchor???+17.1%6 runsLantern+16.5%8 runs

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

Echo Form Card Details

Echo Form is a rare power costing 3 energy; it’s upgraded in 27.6% of runs and usually picked up by floor 19.

The first card you play each turn is played an extra time.

What Ends Runs with Echo Form

Echo Form’s most common run-enders are Decimillipede Elite (6.3%), The Insatiable Boss (4.2%), and Aeonglass Boss (4.2%).

• Decimillipede Elite6.3% of runs
• The Insatiable Boss4.2% of runs
• Aeonglass Boss4.2% of runs
• Entomancer Elite4.2% of runs
• Test Subject Boss4.2% of runs

See Also

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