Discovery•Skill

Is Discovery good in Slay the Spire 2?

Discovery is an uncommon Colorless skill in Slay the Spire 2. In combat it resolves as: Choose 1 of 3 random cards to add into your Hand. It's free to play this turn. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 46 recorded runs, decks running it win 33.3% of the time, comfortably clear of the 18.9% average, by 14.4%. It’s a more selective pick, turning up in just 1.2% of decks that could run it. Necrobinder players keep it in 0.8% 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 Hidden Cache — together they post a +19.1% swing in win rate. It also has strong chemistry with the relic Reptile Trinket, which moves its win rate by +19.1%. At 1 energy, it’s upgraded in 54.2% of runs and usually joins the deck around floor 17.

That’s 15 wins, 30 deaths, and 1 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Queen Boss, which closes out 15.2% of its appearances. Read on for Discovery’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Colorless run.

Best Cards to Pair with Discovery

Ranked by win-rate lift, Discovery performs best alongside Hidden Cache (+19.1%), Pommel Strike (+15.6%), and Solar Strike (+15.4%).

Hidden Cache+19.1%4 runsPommel Strike+15.6%6 runsSolar Strike+15.4%3 runsCalamity+15.4%3 runsPerfected Strike+15.4%3 runsAssassinate+15.4%3 runs

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

Discovery Win Rate by Class

Discovery is played across 5 classes, led by Necrobinder (42.9%), Ironclad (40.0%), and Regent (36.4%) by win rate.

The Necrobinder42.9%7 runsThe Ironclad40.0%11 runsThe Regent36.4%11 runsThe Silent27.3%11 runsThe Defect16.7%6 runs

Best Relics for Discovery

Discovery pairs best with the relics Reptile Trinket (+19.1%), Juzu Bracelet (+19.1%), and Eternal Feather (+18.8%), ranked by win-rate lift.

Reptile Trinket+19.1%4 runsJuzu Bracelet+19.1%4 runsEternal Feather+18.8%6 runsHorn Cleat+15.7%7 runsMeal Ticket+15.6%6 runsRipple Basin+15.6%5 runs

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

Discovery Card Details

Discovery is an uncommon skill costing 1 energy; it’s upgraded in 54.2% of runs and usually picked up by floor 17.

Choose 1 of 3 random cards to add into your Hand. It's free to play this turn.

What Ends Runs with Discovery

Discovery’s most common run-enders are Queen Boss (15.2%), Knowledge Demon Boss (8.7%), and Terror Eel Elite (4.3%).

• Queen Boss15.2% of runs
• Knowledge Demon Boss8.7% of runs
• Terror Eel Elite4.3% of runs
• Test Subject Boss4.3% of runs
• Entomancer Elite4.3% of runs

See Also

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