Ignition•Skill

Is Ignition good in Slay the Spire 2?

In Slay the Spire 2, Ignition is a rare skill from the Defect card pool. Its effect: Another player Channels Plasma. Right now it’s a premium pick that sits at S tier — one of the better cards you can add to a deck this run.

Over 5 tracked runs its win rate sits at 40.0%, 21.1% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 0.1% of eligible runs. Within Defect runs it’s drafted 0.9% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.

Its standout pairing so far is Cold Snap, which lifts its win rate by +6.2% when the two share a deck. On the relic side, Permafrost is its standout companion, worth a +6.2% win-rate swing alongside it. It costs 1 energy, gets upgraded 20.0% of the time, and tends to be picked up near floor 20.

Of the runs that drafted it, 2 ended in victory against 3 deaths and 0 abandons. Its most common run-ender is Queen Boss, finishing 40.0% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Ignition fits a Defect deck.

Best Cards to Pair with Ignition

Ignition’s strongest card pairings so far are Cold Snap (+6.2%), Storm (+6.2%), and Strike (+2.9%), each shown with the win-rate lift it adds.

Cold Snap+6.2%3 runsStorm+6.2%3 runsStrike+2.9%4 runsDualcast+2.9%4 runsDefend+2.9%4 runsZap+2.9%4 runs

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

Ignition Win Rate by Class

Exclusive to the Defect, Ignition posts a 40.0% win rate over 5 tracked runs.

The Defectappears in 0.9% of its runs (5 tracked)

Best Relics for Ignition

The relics that swing Ignition’s win rate the most are Permafrost (+6.2%), Potion Belt (+6.2%), and Juzu Bracelet (+2.9%), with each lift shown.

Permafrost+6.2%3 runsPotion Belt+6.2%3 runsJuzu Bracelet+2.9%4 runsPendulum-1.5%3 runsCracked Core-4.3%4 runs

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

Ignition Card Details

A 1-energy rare skill, Ignition is upgraded 20.0% of the time and tends to enter the deck around floor 20.

Another player Channels Plasma.

What Ends Runs with Ignition

Runs holding Ignition end most often against Queen Boss (40.0%) — the share of its runs each accounts for is shown.

• Queen Boss40.0% of runs

See Also

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