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. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 81 tracked runs its win rate sits at 25.0%, 11.1% ahead of the 13.9% all-deck baseline. It sees niche play, included in only 0.7% of eligible runs. Offer data argues the other way: taken 3.8% of the time it is shown, runs that picked it win 14.3% against 27.3% for runs that passed — a -8.8% pick lift across 21 decided runs. Within Silent runs it’s drafted 0.5% 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 Pommel Strike, which lifts its win rate by +1.0% when the two share a deck. On the relic side, Vajra is its standout companion, worth a +23.1% win-rate swing alongside it. It costs 1 energy, gets upgraded 32.6% of the time, and tends to be picked up near floor 17.

Of the runs that drafted it, 20 ended in victory against 60 deaths and 1 abandons. Its most common run-ender is Queen Boss, finishing 8.6% 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.

Pick or Skip: Prep Time

Players take Prep Time in 3.8% of the 549 offers it appears in; those runs win 14.3% against 27.3% for runs that passed, a pick lift of -8.8% over 21 decided runs.

Taken 21 times out of 549 offers.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

When to Pick Up Prep Time

Of the 3 pickup windows recorded for Prep Time, Act 3 is the best: 53.9% across 14 runs.

Win rate of runs by the act Prep Time entered the deck. Acts that have not reached the sample floor show their run count only.

Best Cards to Pair with Prep Time

Prep Time’s strongest card pairings so far are Pommel Strike (+1.0%), Shrug It Off (+0.9%), and Tremble (0.0%), each shown with the win-rate lift it adds.

Pommel Strike+1.0%15 runsShrug It Off+0.9%19 runsTremble0.0%16 runsBloodletting0.0%16 runsAscender's Bane-1.4%44 runsDefend-4.3%31 runs

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

Prep Time Win Rate by Class

Of the 4 classes that draft Prep Time, it performs best with Silent (35.7%), Regent (23.1%), and Necrobinder (21.4%).

The Silent35.7%15 runsThe Regent23.1%13 runsThe Necrobinder21.4%14 runsThe Ironclad19.4%31 runs

Best Relics for Prep Time

The relics that swing Prep Time’s win rate the most are Vajra (+23.1%), Potion Belt (+20.0%), and Happy Flower (+18.6%), with each lift shown.

Vajra+23.1%17 runsPotion Belt+20.0%21 runsHappy Flower+18.6%22 runsCentennial Puzzle+11.2%20 runsBag of Marbles+5.0%16 runsBlood Vial+4.3%20 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 32.6% of the time and tends to enter the deck around floor 17.

At the start of your turn, gain 4 Vigor.

What Ends Runs with Prep Time

Runs holding Prep Time end most often against Queen Boss (8.6%), Aeonglass Boss (7.4%), and Infested Prisms Elite (6.2%) — the share of its runs each accounts for is shown.

• Queen Boss8.6% of runs
• Aeonglass Boss7.4% of runs
• Infested Prisms Elite6.2% of runs
• Vantom Boss4.9% of runs
• The Kin Boss2.5% of runs

See Also

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