Bad Luck Curse

Is Bad Luck good in Slay the Spire 2?

In Slay the Spire 2, Bad Luck is a curse curse from the Curse card pool. Its effect: At the end of your turn, if this is in your Hand, lose 13 HP. Right now it’s a premium pick that sits at B tier — one of the better cards you can add to a deck this run.

Over 133 tracked runs its win rate sits at 50.8%, 36.9% ahead of the 13.8% all-deck baseline. It sees niche play, included in only 0.6% of eligible runs. Within Regent runs it’s drafted 0.6% 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 Backflip, which lifts its win rate by +14.0% when the two share a deck. On the relic side, Lantern is its standout companion, worth a +15.3% win-rate swing alongside it. It costs - energy, gets upgraded 0.0% of the time, and tends to be picked up near floor 39.

Of the runs that drafted it, 67 ended in victory against 65 deaths and 1 abandons. Its most common run-ender is Test Subject Boss, finishing 12.8% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Bad Luck fits a Curse deck.

When to Pick Up Bad Luck

Of the 1 pickup windows recorded for Bad Luck, Act 3 is the best: 50.8% across 131 runs.

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

Best Cards to Pair with Bad Luck

Bad Luck’s strongest card pairings so far are Backflip (+14.0%), Strike (+13.5%), and Gather Light (+13.5%), each shown with the win-rate lift it adds.

Backflip+14.0%21 runsStrike+13.5%15 runsGather Light+13.5%15 runsPrepared+12.6%28 runsEscape Plan+11.1%16 runsDefend+10.2%18 runs

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

Bad Luck Win Rate by Class

Of the 5 classes that draft Bad Luck, it performs best with Regent (70.0%), Silent (61.9%), and Necrobinder (47.1%).

The Regent70.0%20 runsThe Silent61.9%42 runsThe Necrobinder47.1%18 runsThe Defect36.4%22 runsThe Ironclad35.5%31 runs

Best Relics for Bad Luck

The relics that swing Bad Luck’s win rate the most are Lantern (+15.3%), Amethyst Aubergine (+14.9%), and Bag of Preparation (+12.3%), with each lift shown.

Lantern+15.3%34 runsAmethyst Aubergine+14.9%16 runsBag of Preparation+12.3%26 runsDivine Right+11.6%19 runsBlood Vial+11.1%37 runsCentennial Puzzle+10.6%26 runs

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

Bad Luck Card Details

A --energy curse curse, Bad Luck is upgraded 0.0% of the time and tends to enter the deck around floor 39.

At the end of your turn, if this is in your Hand, lose 13 HP.

What Ends Runs with Bad Luck

Runs holding Bad Luck end most often against Test Subject Boss (12.8%), Queen Boss (12.8%), and Aeonglass Boss (6.8%) — the share of its runs each accounts for is shown.

• Test Subject Boss12.8% of runs
• Queen Boss12.8% of runs
• Aeonglass Boss6.8% of runs
• Knights Elite4.5% of runs
• Doormaker Boss3.0% of runs

See Also

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