Backflip Skill

Is Backflip good in Slay the Spire 2?

Backflip is a common Silent skill in Slay the Spire 2. In combat it resolves as: Gain 5 Block. Draw 2 cards. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 1736 recorded runs, decks running it win 27.5% of the time, comfortably clear of the 14.3% average, by 13.3%. It’s a more selective pick, turning up in just 6.5% of decks that could run it. Offer data backs the pick — taken 28.9% of the time it is shown, with 26.9% for runs that took it against 22.8% for runs that did not, a +4.1% pick lift across 1476 decided runs. Necrobinder players keep it in 0.2% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.3 times in the decks that take it.

It performs best next to Mad Science — together they post a +34.6% swing in win rate. It also has strong chemistry with the relic Sword of Jade, which moves its win rate by +48.3%. At 1 energy, it’s upgraded in 25.1% of runs and usually joins the deck around floor 12.

Upgraded, it gains +3 Block, which is why so many decks invest a rest-site upgrade in it. That’s 475 wins, 1251 deaths, and 10 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Knowledge Demon Boss, which closes out 4.8% of its appearances. Read on for Backflip’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Silent run.

Pick or Skip: Backflip

Out of 6114 recorded offers Backflip is taken 28.9% of the time, and taking it is worth +4.1% in pick lift — 26.9% for runs that picked it against 22.8% for runs that skipped, across 1476 decided runs.

Taken 1765 times out of 6114 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 Backflip

Backflip is strongest when it joins the deck in Act 3, where runs win 62.0% across 108 runs — one of 4 recorded pickup windows.

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

Best Cards to Pair with Backflip

Ranked by win-rate lift, Backflip performs best alongside Mad Science (+34.6%), Apotheosis (+28.7%), and Mayhem (+28.3%).

Mad Science+34.6%112 runsApotheosis+28.7%34 runsMayhem+28.3%21 runsFlanking+28.0%67 runsBad Luck+27.1%28 runsAlchemize+25.2%18 runs

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

Backflip Win Rate by Class

Backflip is played across 5 classes, led by Necrobinder (60.0%), Regent (45.5%), and Ironclad (31.6%) by win rate.

The Necrobinder60.0%10 runsThe Regent45.5%11 runsThe Ironclad31.6%19 runsThe Silent27.2%1685 runsThe Defect18.2%11 runs

Best Relics for Backflip

Backflip pairs best with the relics Sword of Jade (+48.3%), Iron Club (+42.9%), and Fragrant Mushroom (+36.7%), ranked by win-rate lift.

Sword of Jade+48.3%49 runsIron Club+42.9%45 runsFragrant Mushroom+36.7%83 runsKifuda+33.4%29 runsToolbox+32.9%31 runsSignet Ring+31.9%35 runs

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

Backflip Card Details

Backflip is a common skill costing 1 energy; it’s upgraded in 25.1% of runs and usually picked up by floor 12.

Gain 5 Block. Draw 2 cards.

Upgrade: +3 Block

What Ends Runs with Backflip

Backflip’s most common run-enders are Knowledge Demon Boss (4.8%), Test Subject Boss (4.5%), and Aeonglass Boss (4.2%).

• Knowledge Demon Boss4.8% of runs
• Test Subject Boss4.5% of runs
• Aeonglass Boss4.2% of runs
• Kaiser Crab Boss4.0% of runs
• Queen Boss3.9% of runs

See Also

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