Stone CrackerRelic
At the start of each combat, Upgrade random cards in your Draw Pile for the rest of combat.
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 18 tracked runs the win rate of decks holding it sits at 22.2%, 9.6% ahead of the 12.6% all-run baseline. It sees lighter play, carried in only 3.5% of runs. It does its best work in the hands of the Necrobinder, who post a 50.0% win rate with it. Within Necrobinder runs specifically, it’s carried 2.3% of the time.
Its standout card pairing is Exterminate, which lifts the relic’s win rate by +44.5% when both are in play. It also works nicely with Debt, good for a +44.5% win-rate change. It typically enters the deck near floor 15. As an uncommon relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 4 ended in victory while 14 fell to a defeat. Its most common run-ender is Waterfall Giant Boss, finishing 11.1% 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.
Stone Cracker Win Rate & Pick Rate
At a 22.2% win rate, Stone Cracker runs 9.6% ahead of the 12.6% all-run baseline — the bars below put the two side by side.
Run Outcomes with Stone Cracker
Across the 18 runs that carried Stone Cracker, 4 ended in a win and 14 in a loss — a 22.2% win share, counting abandons as losses.
- Wins 22.2%
- Losses 77.8%
Best Cards with Stone Cracker
The cards that gain the most from carrying Stone Cracker are Exterminate (+44.5%), Debt (+44.5%), and Fetch (+44.5%), each shown with its win-rate swing.
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 Necrobinder (50.0%), Defect (50.0%), and Regent (12.5%).
Stone Cracker Details
Carried in 3.5% of runs, Stone Cracker is an uncommon relic typically acquired near floor 15.
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 Waterfall Giant Boss (11.1%) and The Insatiable Boss (11.1%) — the share of its runs each accounts for is shown.
- Waterfall Giant Boss11.1% of runs
- The Insatiable Boss11.1% of runs
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Stone Cracker – Frequently Asked Questions
Is Stone Cracker good in Slay the Spire 2?
Across 18 tracked runs carrying it, Stone Cracker wins 22.2% of the time — +9.6% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Stone Cracker do in Slay the Spire 2?
At the start of each combat, Upgrade random cards in your Draw Pile for the rest of combat.
How rare is Stone Cracker in Slay the Spire 2?
Stone Cracker is an Uncommon relic, picked up in 3.5% of tracked runs.
What is the best card to use with Stone Cracker?
In tracked runs, Stone Cracker has performed best alongside Exterminate, which lifts its win rate by +44.5% over 3 runs together.
Which class is Stone Cracker best in?
Stone Cracker has its highest win rate with The Necrobinder (50.0%).
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.