Flechettes•Attack

Is Flechettes good in Slay the Spire 2?

In Slay the Spire 2, Flechettes is an uncommon attack from the Silent card pool. Its effect: Deal 5 damage for each Skill in your Hand. 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 49 tracked runs its win rate sits at 34.1%, 15.2% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 1.3% of eligible runs. Within Silent runs it’s drafted 4.9% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.1 copies on average.

Its standout pairing so far is Up My Sleeve, which lifts its win rate by +18.8% when the two share a deck. On the relic side, Lantern is its standout companion, worth a +21.2% win-rate swing alongside it. It costs 1 energy, gets upgraded 35.9% of the time, and tends to be picked up near floor 14.

Upgrading the card adds +2 Damage to its stat line. Of the runs that drafted it, 14 ended in victory against 27 deaths and 8 abandons. Its most common run-ender is Queen Boss, finishing 14.3% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Flechettes fits a Silent deck.

Best Cards to Pair with Flechettes

Flechettes’s strongest card pairings so far are Up My Sleeve (+18.8%), Hidden Daggers (+18.8%), and Tools of the Trade (+18.2%), each shown with the win-rate lift it adds.

Up My Sleeve+18.8%4 runsHidden Daggers+18.8%6 runsTools of the Trade+18.2%8 runsAssassinate+15.3%7 runsReflex+15.3%8 runsAccelerant+15.3%6 runs

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

Flechettes Win Rate by Class

Of the 2 classes that draft Flechettes, it performs best with Silent (35.0%) and Necrobinder (0.0%).

The Silent35.0%48 runsThe Necrobinder0.0%1 runs

Best Relics for Flechettes

The relics that swing Flechettes’s win rate the most are Lantern (+21.2%), Vambrace (+18.4%), and Gorget (+18.2%), with each lift shown.

Lantern+21.2%8 runsVambrace+18.4%6 runsGorget+18.2%9 runsBlood Vial+17.9%10 runsOddly Smooth Stone+15.3%9 runsBronze Scales+15.3%5 runs

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

Flechettes Card Details

A 1-energy uncommon attack, Flechettes is upgraded 35.9% of the time and tends to enter the deck around floor 14.

Deal 5 damage for each Skill in your Hand.

Upgrade: +2 Damage

What Ends Runs with Flechettes

Runs holding Flechettes end most often against Queen Boss (14.3%), Terror Eel Elite (6.1%), and Lagavulin Matriarch Boss (4.1%) — the share of its runs each accounts for is shown.

• Queen Boss14.3% of runs
• Terror Eel Elite6.1% of runs
• Lagavulin Matriarch Boss4.1% of runs
• Phrog Parasite Elite4.1% of runs
• Entomancer Elite4.1% of runs

See Also

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