Compact•Skill

Is Compact good in Slay the Spire 2?

In Slay the Spire 2, Compact is an uncommon skill from the Defect card pool. Its effect: Gain 6 Block. Transform all Status cards in your Hand into Fuel. Right now it’s a premium pick that sits at B tier — one of the better cards you can add to a deck this run.

Over 66 tracked runs its win rate sits at 35.1%, 16.1% ahead of the 19.0% all-deck baseline. It sees niche play, included in only 1.7% of eligible runs. Within Defect runs it’s drafted 11.3% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.1 copies on average.

Its standout pairing so far is Echo Form, which lifts its win rate by +24.3% when the two share a deck. On the relic side, Meal Ticket is its standout companion, worth a +20.2% win-rate swing alongside it. It costs 1 energy, gets upgraded 32.4% of the time, and tends to be picked up near floor 18.

Upgrading the card adds +1 Block to its stat line. Of the runs that drafted it, 20 ended in victory against 37 deaths and 9 abandons. Its most common run-ender is Queen Boss, finishing 7.6% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Compact fits a Defect deck.

Best Cards to Pair with Compact

Compact’s strongest card pairings so far are Echo Form (+24.3%), Scavenge (+18.6%), and TURBO (+16.6%), each shown with the win-rate lift it adds.

Echo Form+24.3%6 runsScavenge+18.6%4 runsTURBO+16.6%22 runsHelix Drill+15.0%5 runsClumsy+15.0%6 runsSynchronize+15.0%6 runs

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

Compact Win Rate by Class

Exclusive to the Defect, Compact posts a 35.1% win rate over 66 tracked runs.

The Defectappears in 11.3% of its runs (66 tracked)

Best Relics for Compact

The relics that swing Compact’s win rate the most are Meal Ticket (+20.2%), Red Mask (+19.3%), and Symbiotic Virus (+18.6%), with each lift shown.

Meal Ticket+20.2%9 runsRed Mask+19.3%14 runsSymbiotic Virus+18.6%4 runsLetter Opener+18.6%4 runsHappy Flower+18.1%6 runsAstrolabe+15.0%3 runs

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

Compact Card Details

A 1-energy uncommon skill, Compact is upgraded 32.4% of the time and tends to enter the deck around floor 18.

Gain 6 Block. Transform all Status cards in your Hand into Fuel.

Upgrade: +1 Block

What Ends Runs with Compact

Runs holding Compact end most often against Queen Boss (7.6%), Knowledge Demon Boss (6.1%), and Infested Prisms Elite (6.1%) — the share of its runs each accounts for is shown.

• Queen Boss7.6% of runs
• Knowledge Demon Boss6.1% of runs
• Infested Prisms Elite6.1% of runs
• Test Subject Boss4.5% of runs
• Entomancer Elite4.5% of runs

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.