Hidden Gem•Skill

Is Hidden Gem good in Slay the Spire 2?

Hidden Gem is a rare Colorless skill in Slay the Spire 2. In combat it resolves as: A random card without Replay in your Draw Pile gains Replay. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 43 recorded runs, decks running it win 26.5% of the time, comfortably clear of the 18.9% average, by 7.5%. It’s a more selective pick, turning up in just 1.1% of decks that could run it. Silent players keep it in 0.7% 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 Offering — together they post a +12.3% swing in win rate. It also has strong chemistry with the relic Happy Flower, which moves its win rate by +15.1%. At 1 energy, it’s upgraded in 31.1% of runs and usually joins the deck around floor 19.

That’s 9 wins, 25 deaths, and 9 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 9.3% of its appearances. Read on for Hidden Gem’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Colorless run.

Best Cards to Pair with Hidden Gem

Ranked by win-rate lift, Hidden Gem performs best alongside Offering (+12.3%), Finesse (+12.3%), and Lethality (+9.3%).

Offering+12.3%3 runsFinesse+12.3%3 runsLethality+9.3%3 runsAbrasive+9.3%3 runsEnfeebling Touch+9.3%3 runsReave+9.3%3 runs

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

Hidden Gem Win Rate by Class

Hidden Gem is played across 5 classes, led by Silent (40.0%), Regent (33.3%), and Necrobinder (30.0%) by win rate.

The Silent40.0%7 runsThe Regent33.3%6 runsThe Necrobinder30.0%11 runsThe Ironclad25.0%10 runsThe Defect0.0%9 runs

Best Relics for Hidden Gem

Hidden Gem pairs best with the relics Happy Flower (+15.1%), Eternal Feather (+15.1%), and Signet Ring (+13.9%), ranked by win-rate lift.

Happy Flower+15.1%6 runsEternal Feather+15.1%6 runsSignet Ring+13.9%4 runsReptile Trinket+12.3%3 runsStrawberry+12.3%3 runsWar Paint+11.8%11 runs

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

Hidden Gem Card Details

Hidden Gem is a rare skill costing 1 energy; it’s upgraded in 31.1% of runs and usually picked up by floor 19.

A random card without Replay in your Draw Pile gains Replay.

What Ends Runs with Hidden Gem

Hidden Gem’s most common run-enders are Test Subject Boss (9.3%), Entomancer Elite (7.0%), and Knowledge Demon Boss (7.0%).

• Test Subject Boss9.3% of runs
• Entomancer Elite7.0% of runs
• Knowledge Demon Boss7.0% of runs
• The Insatiable Boss4.7% of runs

See Also

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