Cracked CoreRelic
At the start of each combat, Channel Lightning.
Is Cracked Core good in Slay the Spire 2?
In Slay the Spire 2, Cracked Core is a starter relic you can pick up on your climb. Its effect: At the start of each combat, Channel Lightning. The data marks it as a weaker relic, settling at F tier — rarely a run-defining grab.
Over 26 tracked runs the win rate of decks holding it sits at 12.0%, almost exactly the overall average. It sees lighter play, carried in only 5.0% of runs. It does its best work in the hands of the Defect, who post a 12.0% win rate with it. Within Defect runs specifically, it’s carried 92.9% of the time.
Its standout card pairing is Adaptive Strike, which lifts the relic’s win rate by +38.0% when both are in play. It also works nicely with Scrape, good for a +38.0% win-rate change. It typically enters the deck near floor 1. As a starter relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 3 ended in victory while 22 fell to a defeat. Its most common run-ender is Kaiser Crab Boss, finishing 15.4% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Cracked Core is worth grabbing.
Cracked Core Win Rate & Pick Rate
Cracked Core’s 12.0% win rate sits right on the 12.6% all-run baseline — a 0.6% difference, as the bars show.
Run Outcomes with Cracked Core
Across the 26 runs that carried Cracked Core, 3 ended in a win and 23 in a loss — a 11.5% win share, counting abandons as losses.
- Wins 11.5%
- Losses 88.5%
Best Cards with Cracked Core
The cards that gain the most from carrying Cracked Core are Adaptive Strike (+38.0%), Scrape (+38.0%), and FTL (+28.0%), each shown with its win-rate swing.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Cracked Core Win Rate by Class
Cracked Core’s class data comes mostly from the Defect, at a 12.0% win rate over 26 runs.
The Defectappears in 92.9% of its runs (26 tracked)Cracked Core Details
Carried in 5.0% of runs, Cracked Core is a starter relic typically acquired near floor 1.
At the start of each combat, Channel Lightning.
What Ends Runs with Cracked Core
Runs carrying Cracked Core end most often against Kaiser Crab Boss (15.4%), The Kin Boss (11.5%), and Queen Boss (7.7%) — the share of its runs each accounts for is shown.
- Kaiser Crab Boss15.4% of runs
- The Kin Boss11.5% of runs
- Queen Boss7.7% of runs
- Knowledge Demon Boss7.7% 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.
Cracked Core – Frequently Asked Questions
Is Cracked Core good in Slay the Spire 2?
Across 26 tracked runs carrying it, Cracked Core wins 12.0% of the time — +0.6% below the average run. Win rate reflects how often runs with the relic end in victory.
What does Cracked Core do in Slay the Spire 2?
At the start of each combat, Channel Lightning.
How rare is Cracked Core in Slay the Spire 2?
Cracked Core is a Starter relic, picked up in 5.0% of tracked runs.
What is the best card to use with Cracked Core?
In tracked runs, Cracked Core has performed best alongside Adaptive Strike, which lifts its win rate by +38.0% over 4 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.