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. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.

Over 18 tracked runs its win rate sits at 27.8%, 8.8% ahead of the 19.0% all-deck baseline. It sees niche play, included in only 0.5% of eligible runs. Within Silent 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 1.2 copies on average.

Its standout pairing so far is Backstab, which lifts its win rate by +13.5% when the two share a deck. On the relic side, Joss Paper is its standout companion, worth a +10.7% win-rate swing alongside it. It costs - energy, gets upgraded 0.0% of the time, and tends to be picked up near floor 37.

Of the runs that drafted it, 5 ended in victory against 13 deaths and 0 abandons. Its most common run-ender is Test Subject Boss, finishing 16.7% 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.

Best Cards to Pair with Bad Luck

Bad Luck’s strongest card pairings so far are Backstab (+13.5%), Neutralize (+10.7%), and Prepared (+10.7%), each shown with the win-rate lift it adds.

Backstab+13.5%4 runsNeutralize+10.7%5 runsPrepared+10.7%5 runsSurvivor+8.3%6 runsDefend+8.3%6 runsStrike+8.3%6 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 Silent (50.0%), Necrobinder (33.3%), and Regent (33.3%).

The Silent50.0%6 runsThe Necrobinder33.3%3 runsThe Regent33.3%3 runsThe Ironclad0.0%3 runsThe Defect0.0%3 runs

Best Relics for Bad Luck

The relics that swing Bad Luck’s win rate the most are Joss Paper (+10.7%), Pantograph (+10.7%), and Lantern (+9.0%), with each lift shown.

Joss Paper+10.7%5 runsPantograph+10.7%5 runsLantern+9.0%3 runsBlood Vial+8.3%6 runsRing of the Snake+8.3%6 runsParrying Shield+6.3%4 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 37.

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 (16.7%), Doormaker Boss (11.1%), and Queen Boss (11.1%) — the share of its runs each accounts for is shown.

• Test Subject Boss16.7% of runs
• Doormaker Boss11.1% of runs
• Queen Boss11.1% of runs
• Aeonglass Boss11.1% of runs

See Also

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