Festive Popper•Relic

Is Festive Popper good in Slay the Spire 2?

In Slay the Spire 2, Festive Popper is a common relic you can pick up on your climb. Its effect: At the start of each combat, deal damage to ALL enemies. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 854 tracked runs the win rate of decks holding it sits at 37.7%, 23.6% ahead of the 14.1% all-run baseline. It sees lighter play, carried in only 8.4% of runs. It does its best work in the hands of the Necrobinder, who post a 42.0% win rate with it. Within Necrobinder runs specifically, it’s carried 8.5% of the time.

Its standout card pairing is Prolong, which lifts the relic’s win rate by +42.3% when both are in play. It also works nicely with Corrosive Wave, good for a +34.5% win-rate change. It typically enters the deck near floor 22. As a common relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 318 ended in victory while 525 fell to a defeat. Its most common run-ender is Test Subject Boss, finishing 7.7% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Festive Popper is worth grabbing.

Pick or Skip: Festive Popper

Players take Festive Popper in 63.0% of the 1375 offers it appears in; those runs win 37.8% against 30.9% for runs that passed, a pick lift of +6.8% over 855 decided runs.

Taken 867 times out of 1375 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.

Best Cards with Festive Popper

The cards that gain the most from carrying Festive Popper are Prolong (+42.3%), Corrosive Wave (+34.5%), and Demesne (+33.7%), each shown with its win-rate swing.

Prolong+42.3%15 runsCorrosive Wave+34.5%18 runsDemesne+33.7%21 runsSword Sage+33.7%21 runsBig Bang+30.9%35 runsApotheosis+30.7%20 runs

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

Festive Popper Win Rate by Class

Of the 5 classes that carry Festive Popper, it performs best with Necrobinder (42.0%), Regent (41.8%), and Silent (39.7%).

The Necrobinder42.0%160 runsThe Regent41.8%153 runsThe Silent39.7%200 runsThe Defect34.9%109 runsThe Ironclad30.9%224 runs

Festive Popper Details

Carried in 8.4% of runs, Festive Popper is a common relic typically acquired near floor 22.

At the start of each combat, deal damage to ALL enemies.

What Ends Runs with Festive Popper

Runs carrying Festive Popper end most often against Test Subject Boss (7.7%), Knowledge Demon Boss (5.5%), and Queen Boss (5.4%) — the share of its runs each accounts for is shown.

• Test Subject Boss7.7% of runs
• Knowledge Demon Boss5.5% of runs
• Queen Boss5.4% of runs
• Kaiser Crab Boss4.1% of runs
• Decimillipede Elite3.3% of runs

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.