Storm of Steel Skill

Is Storm of Steel good in Slay the Spire 2?

In Slay the Spire 2, Storm of Steel is a rare skill from the Silent card pool. Its effect: Discard your Hand. Add 1 Shiv into your Hand for each card discarded. 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 241 tracked runs its win rate sits at 38.9%, 25.5% ahead of the 13.4% all-deck baseline. It sees niche play, included in only 1.5% of eligible runs. When it is actually offered players take it 26.0% of the time, and that looks correct: those runs win 39.0% against 34.5% for runs that passed, a +4.2% pick lift over 182 decided runs. Within Silent runs it’s drafted 6.2% 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 Knife Trap, which lifts its win rate by +27.0% when the two share a deck. On the relic side, Horn Cleat is its standout companion, worth a +31.1% win-rate swing alongside it. It costs 1 energy, gets upgraded 33.7% of the time, and tends to be picked up near floor 17.

Of the runs that drafted it, 93 ended in victory against 146 deaths and 2 abandons. Its most common run-ender is Kaiser Crab Boss, finishing 5.4% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Storm of Steel fits a Silent deck.

Pick or Skip: Storm of Steel

Players take Storm of Steel in 26.0% of the 734 offers it appears in; those runs win 39.0% against 34.5% for runs that passed, a pick lift of +4.2% over 182 decided runs.

Taken 191 times out of 734 offers.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

When to Pick Up Storm of Steel

Of the 3 pickup windows recorded for Storm of Steel, Act 3 is the best: 85.7% across 15 runs.

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

Best Cards to Pair with Storm of Steel

Storm of Steel’s strongest card pairings so far are Knife Trap (+27.0%), Murder (+22.8%), and Envenom (+22.2%), each shown with the win-rate lift it adds.

Knife Trap+27.0%47 runsMurder+22.8%21 runsEnvenom+22.2%36 runsShadowmeld+21.4%19 runsFan of Knives+20.6%54 runsAssassinate+20.5%43 runs

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

Storm of Steel Win Rate by Class

Exclusive to the Silent, Storm of Steel posts a 39.0% win rate over 233 tracked runs.

The Silentappears in 6.2% of its runs (233 tracked)

Best Relics for Storm of Steel

The relics that swing Storm of Steel’s win rate the most are Horn Cleat (+31.1%), Akabeko (+30.0%), and Pear (+29.4%), with each lift shown.

Horn Cleat+31.1%28 runsAkabeko+30.0%30 runsPear+29.4%26 runsStone Calendar+28.6%16 runsMiniature Cannon+28.4%25 runsBag of Marbles+28.2%37 runs

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

Storm of Steel Card Details

A 1-energy rare skill, Storm of Steel is upgraded 33.7% of the time and tends to enter the deck around floor 17.

Discard your Hand. Add 1 Shiv into your Hand for each card discarded.

What Ends Runs with Storm of Steel

Runs holding Storm of Steel end most often against Kaiser Crab Boss (5.4%), The Insatiable Boss (5.0%), and Test Subject Boss (5.0%) — the share of its runs each accounts for is shown.

• Kaiser Crab Boss5.4% of runs
• The Insatiable Boss5.0% of runs
• Test Subject Boss5.0% of runs
• Aeonglass Boss3.7% of runs
• Decimillipede Elite3.3% of runs

See Also

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