Prep Time•Power

Is Prep Time good in Slay the Spire 2?

In Slay the Spire 2, Prep Time is an uncommon power from the Colorless card pool. Its effect: At the start of your turn, gain 4 Vigor. The data flags it as a weaker pick, settling at F tier — usually one to pass on unless your deck specifically wants it.

Over 27 tracked runs its win rate sits at 20.0%, 1.1% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 0.7% of eligible runs. Within Ironclad runs it’s drafted 0.8% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.

Its standout pairing so far is Inflame, which lifts its win rate by +10.8% when the two share a deck. On the relic side, Potion Belt is its standout companion, worth a +20.0% win-rate swing alongside it. It costs 1 energy, gets upgraded 10.7% of the time, and tends to be picked up near floor 10.

Of the runs that drafted it, 5 ended in victory against 20 deaths and 2 abandons. Its most common run-ender is Vantom Boss, finishing 7.4% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Prep Time fits a Colorless deck.

Best Cards to Pair with Prep Time

Prep Time’s strongest card pairings so far are Inflame (+10.8%), Thrash (+10.8%), and Pommel Strike (+8.6%), each shown with the win-rate lift it adds.

Inflame+10.8%3 runsThrash+10.8%3 runsPommel Strike+8.6%4 runsDefend+6.7%6 runsBash+6.7%6 runsAscender's Bane+6.3%10 runs

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

Prep Time Win Rate by Class

Of the 5 classes that draft Prep Time, it performs best with Ironclad (40.0%), Silent (25.0%), and Defect (20.0%).

The Ironclad40.0%6 runsThe Silent25.0%5 runsThe Defect20.0%5 runsThe Necrobinder14.3%7 runsThe Regent0.0%4 runs

Best Relics for Prep Time

The relics that swing Prep Time’s win rate the most are Potion Belt (+20.0%), Centennial Puzzle (+20.0%), and Permafrost (+18.5%), with each lift shown.

Potion Belt+20.0%5 runsCentennial Puzzle+20.0%5 runsPermafrost+18.5%3 runsTiny Mailbox+18.5%3 runsVajra+13.3%5 runsLeafy Poultice+10.8%3 runs

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

Prep Time Card Details

A 1-energy uncommon power, Prep Time is upgraded 10.7% of the time and tends to enter the deck around floor 10.

At the start of your turn, gain 4 Vigor.

What Ends Runs with Prep Time

Runs holding Prep Time end most often against Vantom Boss (7.4%) — the share of its runs each accounts for is shown.

• Vantom Boss7.4% of runs

See Also

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