Burning Pact Skill

Is Burning Pact good in Slay the Spire 2?

Burning Pact is an uncommon Ironclad skill in Slay the Spire 2. In combat it resolves as: Exhaust 1 card. Draw cards. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 645 recorded runs, decks running it win 27.8% of the time, comfortably clear of the 14.3% average, by 13.5%. It’s a more selective pick, turning up in just 2.4% of decks that could run it. Offer data backs the pick — taken 24.5% of the time it is shown, with 27.4% for runs that took it against 22.5% for runs that did not, a +4.8% pick lift across 543 decided runs. Ironclad players keep it in 10.7% 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 Demonic Shield — together they post a +29.2% swing in win rate. It also has strong chemistry with the relic Sword of Jade, which moves its win rate by +30.4%. At 1 energy, it’s upgraded in 28.3% of runs and usually joins the deck around floor 17.

Upgraded, it gains +1 Cards, which is why so many decks invest a rest-site upgrade in it. That’s 177 wins, 460 deaths, and 8 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Kaiser Crab Boss, which closes out 6.7% of its appearances. Read on for Burning Pact’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Ironclad run.

Pick or Skip: Burning Pact

Out of 2406 recorded offers Burning Pact is taken 24.5% of the time, and taking it is worth +4.8% in pick lift — 27.4% for runs that picked it against 22.5% for runs that skipped, across 543 decided runs.

Taken 590 times out of 2406 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 Burning Pact

Burning Pact is strongest when it joins the deck in Act 3, where runs win 62.6% across 83 runs — one of 4 recorded pickup windows.

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

Best Cards to Pair with Burning Pact

Ranked by win-rate lift, Burning Pact performs best alongside Demonic Shield (+29.2%), Mad Science (+27.0%), and Master of Strategy (+25.2%).

Demonic Shield+29.2%30 runsMad Science+27.0%48 runsMaster of Strategy+25.2%16 runsStoke+22.5%84 runsDebt+21.6%24 runsBody Slam+20.9%83 runs

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

Burning Pact Win Rate by Class

Burning Pact is drafted only by the Ironclad, where it holds a 27.6% win rate across 632 runs.

The Ironcladappears in 10.7% of its runs (632 tracked)

Best Relics for Burning Pact

Burning Pact pairs best with the relics Sword of Jade (+30.4%), Self-Forming Clay (+30.2%), and Mummified Hand (+28.7%), ranked by win-rate lift.

Sword of Jade+30.4%24 runsSelf-Forming Clay+30.2%31 runsMummified Hand+28.7%25 runsOddly Smooth Stone+24.4%95 runsHorn Cleat+24.1%57 runsPantograph+23.4%56 runs

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

Burning Pact Card Details

Burning Pact is an uncommon skill costing 1 energy; it’s upgraded in 28.3% of runs and usually picked up by floor 17.

Exhaust 1 card. Draw cards.

Upgrade: +1 Cards

What Ends Runs with Burning Pact

Burning Pact’s most common run-enders are Kaiser Crab Boss (6.7%), Test Subject Boss (4.7%), and Knowledge Demon Boss (4.3%).

• Kaiser Crab Boss6.7% of runs
• Test Subject Boss4.7% of runs
• Knowledge Demon Boss4.3% of runs
• Aeonglass Boss4.3% of runs
• Decimillipede Elite4.2% of runs

See Also

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