AccelerantPower
Poison is triggered additional times.
Is Accelerant good in Slay the Spire 2?
Accelerant is a rare Silent power in Slay the Spire 2. In combat it resolves as: Poison is triggered additional times. 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 7 recorded runs, decks running it win 25.0% of the time, comfortably clear of the 12.6% average, by 12.4%. It’s a more selective pick, turning up in just 1.4% of decks that could run it. Silent players keep it in 6.7% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.0 times in the decks that take it.
It performs best next to Haze — together they post a +75.0% swing in win rate. It also has strong chemistry with the relic Bag of Marbles, which moves its win rate by +75.0%. At 1 energy, it’s upgraded in 71.4% of runs and usually joins the deck around floor 11.
That’s 1 wins, 3 deaths, and 3 abandoned runs with it in the deck. Read on for Accelerant’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Silent run.
Accelerant Win Rate & Pick Rate
Accelerant’s 25.0% win rate clears the 12.6% all-deck average by 12.4%, the gap charted below.
Run Outcomes with Accelerant
Accelerant has 1 wins and 6 losses over 7 tracked runs (14.3% won); abandoned runs count as losses.
- Wins 14.3%
- Losses 85.7%
Accelerant Win Rate by Class
Accelerant is drafted only by the Silent, where it holds a 25.0% win rate across 7 runs.
The Silentappears in 6.7% of its runs (7 tracked)Best Relics for Accelerant
Accelerant pairs best with the relics Bag of Marbles (+75.0%), Festive Popper (+25.0%), and Bronze Scales (+25.0%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Accelerant Card Details
Accelerant is a rare power costing 1 energy; it’s upgraded in 71.4% of runs and usually picked up by floor 11.
Poison is triggered additional times.
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Accelerant – Frequently Asked Questions
Is Accelerant good in Slay the Spire 2?
Across 7 tracked runs, Accelerant has a 25.0% win rate — +12.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Accelerant do in Slay the Spire 2?
Accelerant costs 1 energy. Poison is triggered additional times.
What class is Accelerant in Slay the Spire 2?
Accelerant is a Rare Silent Power.
Is Accelerant worth upgrading in Slay the Spire 2?
Accelerant can be upgraded at a rest site to improve its effect.
What is the best relic for Accelerant?
In tracked runs, Accelerant has performed best alongside Bag of Marbles, which lifts its win rate by +75.0% over 3 runs together.
See Also
Compare Accelerant with the rest of the best Slay the Spire 2 cards, relics, and classes below.