Storm•Power

Is Storm good in Slay the Spire 2?

In Slay the Spire 2, Storm is an uncommon power from the Defect card pool. Its effect: Whenever you play a Power, Channel 1 Lightning. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.

Over 95 tracked runs its win rate sits at 23.8%, 4.9% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 2.5% of eligible runs. Within Defect runs it’s drafted 16.3% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.4 copies on average.

Its standout pairing so far is Echo Form, which lifts its win rate by +23.4% when the two share a deck. On the relic side, Blood Vial is its standout companion, worth a +27.7% win-rate swing alongside it. It costs 1 energy, gets upgraded 35.1% of the time, and tends to be picked up near floor 15.

Of the runs that drafted it, 20 ended in victory against 64 deaths and 11 abandons. Its most common run-ender is Queen Boss, finishing 6.3% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Storm fits a Defect deck.

Best Cards to Pair with Storm

Storm’s strongest card pairings so far are Echo Form (+23.4%), Machine Learning (+18.8%), and Overclock (+18.1%), each shown with the win-rate lift it adds.

Echo Form+23.4%13 runsMachine Learning+18.8%13 runsOverclock+18.1%11 runsSquash+17.6%3 runsBoost Away+17.3%26 runsLeap+16.7%24 runs

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

Storm Win Rate by Class

Exclusive to the Defect, Storm posts a 23.8% win rate over 95 tracked runs.

The Defectappears in 16.3% of its runs (95 tracked)

Best Relics for Storm

The relics that swing Storm’s win rate the most are Blood Vial (+27.7%), Joss Paper (+21.8%), and Venerable Tea Set (+20.9%), with each lift shown.

Blood Vial+27.7%17 runsJoss Paper+21.8%4 runsVenerable Tea Set+20.9%12 runsCloak Clasp+19.6%7 runsLetter Opener+18.7%5 runsData Disk+17.7%15 runs

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

Storm Card Details

A 1-energy uncommon power, Storm is upgraded 35.1% of the time and tends to enter the deck around floor 15.

Whenever you play a Power, Channel 1 Lightning.

What Ends Runs with Storm

Runs holding Storm end most often against Queen Boss (6.3%), Knowledge Demon Boss (5.3%), and The Insatiable Boss (4.2%) — the share of its runs each accounts for is shown.

• Queen Boss6.3% of runs
• Knowledge Demon Boss5.3% of runs
• The Insatiable Boss4.2% of runs
• Knights Elite4.2% of runs
• Bygone Effigy Elite4.2% of runs

See Also

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