Chill•Skill

Is Chill good in Slay the Spire 2?

Chill is an uncommon Defect skill in Slay the Spire 2. In combat it resolves as: Channel 1 Frost for each enemy. It currently underperforms most alternatives, sitting at F tier in our Slay the Spire 2 card rankings.

Across 76 recorded runs, decks running it win 20.3% of the time, comfortably clear of the 18.9% average, by 1.3%. It’s a more selective pick, turning up in just 2.0% of decks that could run it. Defect players keep it in 13.0% 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 Creative AI — together they post a +19.9% swing in win rate. It also has strong chemistry with the relic Rainbow Ring, which moves its win rate by +19.9%. At 0 energy, it’s upgraded in 30.7% of runs and usually joins the deck around floor 16.

That’s 14 wins, 55 deaths, and 7 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Queen Boss, which closes out 7.9% of its appearances. Read on for Chill’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.

Best Cards to Pair with Chill

Ranked by win-rate lift, Chill performs best alongside Creative AI (+19.9%), Echo Form (+15.2%), and FTL (+14.2%).

Creative AI+19.9%11 runsEcho Form+15.2%8 runsFTL+14.2%24 runsSupercritical+13.2%5 runsCoolheaded+11.2%28 runsRefract+11.1%7 runs

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

Chill Win Rate by Class

Chill is drafted only by the Defect, where it holds a 20.3% win rate across 76 runs.

The Defectappears in 13.0% of its runs (76 tracked)

Best Relics for Chill

Chill pairs best with the relics Rainbow Ring (+19.9%), Blood Vial (+17.3%), and Anchor (+14.4%), ranked by win-rate lift.

Rainbow Ring+19.9%6 runsBlood Vial+17.3%15 runsAnchor+14.4%18 runsMeal Ticket+13.2%9 runsMiniature Cannon+13.2%9 runsVenerable Tea Set+11.4%11 runs

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

Chill Card Details

Chill is an uncommon skill costing 0 energy; it’s upgraded in 30.7% of runs and usually picked up by floor 16.

Channel 1 Frost for each enemy.

What Ends Runs with Chill

Chill’s most common run-enders are Queen Boss (7.9%), Test Subject Boss (6.6%), and Infested Prisms Elite (6.6%).

• Queen Boss7.9% of runs
• Test Subject Boss6.6% of runs
• Infested Prisms Elite6.6% of runs
• Decimillipede Elite6.6% of runs
• Knowledge Demon Boss5.3% of runs

See Also

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