Stone Cracker Relic

Is Stone Cracker good in Slay the Spire 2?

In Slay the Spire 2, Stone Cracker is an uncommon relic you can pick up on your climb. Its effect: At the start of each combat, Upgrade random cards in your Draw Pile for the rest of combat. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 1074 tracked runs the win rate of decks holding it sits at 34.6%, 20.8% ahead of the 13.8% all-run baseline. It sees lighter play, carried in only 5.1% of runs. It does its best work in the hands of the Regent, who post a 39.3% win rate with it. Within Regent runs specifically, it’s carried 5.1% of the time.

Its standout card pairing is Discovery, which lifts the relic’s win rate by +41.6% when both are in play. It also works nicely with Prolong, good for a +41.6% win-rate change. It typically enters the deck near floor 21. As an uncommon relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 367 ended in victory while 693 fell to a defeat. Its most common run-ender is Test Subject Boss, finishing 6.0% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Stone Cracker is worth grabbing.

Pick or Skip: Stone Cracker

Players take Stone Cracker in 60.3% of the 1808 offers it appears in; those runs win 34.5% against 28.2% for runs that passed, a pick lift of +6.2% over 1075 decided runs.

Taken 1090 times out of 1808 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.

Best Cards with Stone Cracker

The cards that gain the most from carrying Stone Cracker are Discovery (+41.6%), Prolong (+41.6%), and Debilitate (+39.3%), each shown with its win-rate swing.

Discovery+41.6%22 runsProlong+41.6%23 runsDebilitate+39.3%23 runsNeurosurge+36.8%22 runsArsenal+36.0%17 runsCreative AI+33.8%19 runs

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

Stone Cracker Win Rate by Class

Of the 5 classes that carry Stone Cracker, it performs best with Regent (39.3%), Necrobinder (38.2%), and Silent (35.5%).

The Regent39.3%169 runsThe Necrobinder38.2%181 runsThe Silent35.5%260 runsThe Ironclad32.7%265 runsThe Defect27.7%192 runs

Stone Cracker Details

Carried in 5.1% of runs, Stone Cracker is an uncommon relic typically acquired near floor 21.

At the start of each combat, Upgrade random cards in your Draw Pile for the rest of combat.

What Ends Runs with Stone Cracker

Runs carrying Stone Cracker end most often against Test Subject Boss (6.0%), Aeonglass Boss (5.2%), and Queen Boss (4.8%) — the share of its runs each accounts for is shown.

• Test Subject Boss6.0% of runs
• Aeonglass Boss5.2% of runs
• Queen Boss4.8% of runs
• Knowledge Demon Boss4.6% of runs
• Kaiser Crab Boss4.5% of runs

See Also

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