All for One•Attack

Is All for One good in Slay the Spire 2?

All for One is a rare Defect attack in Slay the Spire 2. In combat it resolves as: Deal 10 damage. Put ALL 0-cost cards from your Discard Pile into your Hand. It ranks among the strongest cards its class can draft right now, earning a spot at B tier in our Slay the Spire 2 card tier list.

Across 58 recorded runs, decks running it win 35.3% of the time, comfortably clear of the 18.9% average, by 16.3%. It’s a more selective pick, turning up in just 1.5% of decks that could run it. Necrobinder players keep it in 0.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.1 times in the decks that take it.

It performs best next to Synchronize — together they post a +21.6% swing in win rate. It also has strong chemistry with the relic Joss Paper, which moves its win rate by +21.6%. At 2 energy, it’s upgraded in 21.5% of runs and usually joins the deck around floor 17.

Upgraded, it gains +4 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 18 wins, 33 deaths, and 7 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 8.6% of its appearances. Read on for All for One’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.

Best Cards to Pair with All for One

Ranked by win-rate lift, All for One performs best alongside Synchronize (+21.6%), Fusion (+18.5%), and Voltaic (+14.9%).

Synchronize+21.6%5 runsFusion+18.5%5 runsVoltaic+14.9%3 runsSlice+14.9%3 runsNeow's Fury+14.9%3 runsHailstorm+14.9%5 runs

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

All for One Win Rate by Class

All for One is played across 3 classes, led by Necrobinder (100.0%), Silent (100.0%), and Defect (32.6%) by win rate.

The Necrobinder100.0%1 runsThe Silent100.0%1 runsThe Defect32.6%56 runs

Best Relics for All for One

All for One pairs best with the relics Joss Paper (+21.6%), Bag of Marbles (+19.6%), and Mercury Hourglass (+18.0%), ranked by win-rate lift.

Joss Paper+21.6%5 runsBag of Marbles+19.6%12 runsMercury Hourglass+18.0%6 runsMeal Ticket+17.4%10 runsNeow's Torment+14.9%3 runsMiniature Tent+14.9%3 runs

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

All for One Card Details

All for One is a rare attack costing 2 energy; it’s upgraded in 21.5% of runs and usually picked up by floor 17.

Deal 10 damage. Put ALL 0-cost cards from your Discard Pile into your Hand.

Upgrade: +4 Damage

What Ends Runs with All for One

All for One’s most common run-enders are Test Subject Boss (8.6%), Queen Boss (8.6%), and Decimillipede Elite (8.6%).

• Test Subject Boss8.6% of runs
• Queen Boss8.6% of runs
• Decimillipede Elite8.6% of runs
• Knowledge Demon Boss5.2% of runs
• Doormaker Boss5.2% of runs

See Also

Compare All for One with the rest of the best Slay the Spire 2 cards, relics, and classes below.