Burst Skill

Is Burst good in Slay the Spire 2?

Burst is a rare Silent skill in Slay the Spire 2. In combat it resolves as: This turn, your next played an extra time. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 418 recorded runs, decks running it win 37.6% of the time, comfortably clear of the 14.3% average, by 23.3%. It’s a more selective pick, turning up in just 1.6% of decks that could run it. Offer data backs the pick — taken 29.3% of the time it is shown, with 41.6% for runs that took it against 34.3% for runs that did not, a +7.1% pick lift across 322 decided runs. Silent players keep it in 6.7% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.1 times in the decks that take it.

It performs best next to Mad Science — together they post a +28.5% swing in win rate. It also has strong chemistry with the relic War Paint, which moves its win rate by +27.9%. At 1 energy, it’s upgraded in 37.1% of runs and usually joins the deck around floor 18.

That’s 156 wins, 259 deaths, and 3 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 6.5% of its appearances. Read on for Burst’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Silent run.

Pick or Skip: Burst

Out of 1141 recorded offers Burst is taken 29.3% of the time, and taking it is worth +7.1% in pick lift — 41.6% for runs that picked it against 34.3% for runs that skipped, across 322 decided runs.

Taken 334 times out of 1141 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 Burst

Burst is strongest when it joins the deck in Act 3, where runs win 60.0% across 30 runs — one of 4 recorded pickup windows.

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

Best Cards to Pair with Burst

Ranked by win-rate lift, Burst performs best alongside Mad Science (+28.5%), Flanking (+24.6%), and Adrenaline (+24.1%).

Mad Science+28.5%32 runsFlanking+24.6%33 runsAdrenaline+24.1%83 runsAssassinate+23.9%54 runsAfterimage+22.1%71 runsFan of Knives+22.1%66 runs

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

Burst Win Rate by Class

Burst is drafted only by the Silent, where it holds a 37.4% win rate across 390 runs.

The Silentappears in 6.7% of its runs (390 tracked)

Best Relics for Burst

Burst pairs best with the relics War Paint (+27.9%), Snecko Skull (+25.6%), and Tuning Fork (+25.1%), ranked by win-rate lift.

War Paint+27.9%67 runsSnecko Skull+25.6%46 runsTuning Fork+25.1%48 runsHorn Cleat+24.7%51 runsForgotten Soul+24.2%22 runsNunchaku+23.9%41 runs

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

Burst Card Details

Burst is a rare skill costing 1 energy; it’s upgraded in 37.1% of runs and usually picked up by floor 18.

This turn, your next played an extra time.

What Ends Runs with Burst

Burst’s most common run-enders are Test Subject Boss (6.5%), Knowledge Demon Boss (4.1%), and Aeonglass Boss (4.1%).

• Test Subject Boss6.5% of runs
• Knowledge Demon Boss4.1% of runs
• Aeonglass Boss4.1% of runs
• Queen Boss4.1% of runs
• The Insatiable Boss2.9% of runs

See Also

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