Darkness•Skill

Is Darkness good in Slay the Spire 2?

In Slay the Spire 2, Darkness is an uncommon skill from the Defect card pool. Its effect: Channel 1 Dark. Trigger the passive ability of all Dark Orbs. The data flags it as a weaker pick, settling at F tier — usually one to pass on unless your deck specifically wants it.

Over 55 tracked runs its win rate sits at 18.0%, almost exactly the overall average. It sees niche play, included in only 1.4% of eligible runs. Within Defect runs it’s drafted 9.4% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.3 copies on average.

Its standout pairing so far is Hailstorm, which lifts its win rate by +19.1% when the two share a deck. On the relic side, Bag of Preparation is its standout companion, worth a +18.9% win-rate swing alongside it. It costs 1 energy, gets upgraded 28.2% of the time, and tends to be picked up near floor 15.

Of the runs that drafted it, 9 ended in victory against 41 deaths and 5 abandons. Its most common run-ender is Queen Boss, finishing 10.9% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Darkness fits a Defect deck.

Best Cards to Pair with Darkness

Darkness’s strongest card pairings so far are Hailstorm (+19.1%), Machine Learning (+18.3%), and Consuming Shadow (+17.8%), each shown with the win-rate lift it adds.

Hailstorm+19.1%11 runsMachine Learning+18.3%6 runsConsuming Shadow+17.8%9 runsSquash+16.3%4 runsOverclock+16.1%7 runsCompact+14.0%6 runs

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

Darkness Win Rate by Class

Exclusive to the Defect, Darkness posts a 18.0% win rate over 55 tracked runs.

The Defectappears in 9.4% of its runs (55 tracked)

Best Relics for Darkness

The relics that swing Darkness’s win rate the most are Bag of Preparation (+18.9%), Fragrant Mushroom (+16.3%), and Bag of Marbles (+14.2%), with each lift shown.

Bag of Preparation+18.9%5 runsFragrant Mushroom+16.3%4 runsBag of Marbles+14.2%8 runsBlood Vial+14.2%8 runsGorget+12.5%9 runsHappy Flower+12.0%6 runs

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

Darkness Card Details

A 1-energy uncommon skill, Darkness is upgraded 28.2% of the time and tends to enter the deck around floor 15.

Channel 1 Dark. Trigger the passive ability of all Dark Orbs.

What Ends Runs with Darkness

Runs holding Darkness end most often against Queen Boss (10.9%), Kaiser Crab Boss (9.1%), and Lagavulin Matriarch Boss (7.3%) — the share of its runs each accounts for is shown.

• Queen Boss10.9% of runs
• Kaiser Crab Boss9.1% of runs
• Lagavulin Matriarch Boss7.3% of runs
• Decimillipede Elite5.5% of runs
• Vantom Boss3.6% of runs

See Also

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