Nunchaku
Win Rate
38.1%
Pick Rate
5.1%
Δ vs Avg
+23.8

Nunchaku Relic

Uncommon
Rarity
Uncommon
Methodology
Data Methodology

Every time you play Attacks, gain Energy.

Is Nunchaku good in Slay the Spire 2?

In Slay the Spire 2, Nunchaku is an uncommon relic you can pick up on your climb. Its effect: Every time you play Attacks, gain Energy. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 1382 tracked runs the win rate of decks holding it sits at 38.1%, 23.8% ahead of the 14.3% all-run baseline. It sees lighter play, carried in only 5.1% of runs. It does its best work in the hands of the Silent, who post a 47.6% win rate with it. Within Silent runs specifically, it’s carried 5.7% of the time.

Its standout card pairing is Malaise, which lifts the relic’s win rate by +43.7% when both are in play. It also works nicely with Apotheosis, good for a +43.4% win-rate change. It typically enters the deck near floor 22. As an uncommon relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 521 ended in victory while 847 fell to a defeat. Its most common run-ender is Aeonglass Boss, finishing 6.1% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Nunchaku is worth grabbing.

Nunchaku Win Rate & Pick Rate

At a 38.1% win rate, Nunchaku runs 23.8% ahead of the 14.3% all-run baseline — the bars below put the two side by side.

Win rate38.1%
Average run14.3%
+23.8% vs averagePick rate: 5.1%1382 runs

Run Outcomes with Nunchaku

Across the 1382 runs that carried Nunchaku, 521 ended in a win and 861 in a loss — a 37.7% win share, counting abandons as losses.

  • Wins 37.7%
  • Losses 62.3%

Pick or Skip: Nunchaku

Players take Nunchaku in 61.9% of the 2262 offers it appears in; those runs win 38.2% against 27.1% for runs that passed, a pick lift of +11.0% over 1382 decided runs.

Pick rate when offered61.9%2262 offers

Taken 1399 times out of 2262 offers.

Win rate when picked38.2%1382 runs
Win rate when skipped27.1%837 runs
+11.1% vs skippingPick lift: +11.0%Sample OK

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 Nunchaku

The cards that gain the most from carrying Nunchaku are Malaise (+43.7%), Apotheosis (+43.4%), and Apparition (+40.9%), each shown with its win-rate swing.

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

Nunchaku Win Rate by Class

Of the 5 classes that carry Nunchaku, it performs best with Silent (47.6%), Regent (41.5%), and Necrobinder (39.5%).

Nunchaku Details

Carried in 5.1% of runs, Nunchaku is an uncommon relic typically acquired near floor 22.

Every time you play Attacks, gain Energy.

RarityUncommon
Typical pickup floor22
Pick rate5.1%
Runs tracked1382

What Ends Runs with Nunchaku

Runs carrying Nunchaku end most often against Aeonglass Boss (6.1%), Test Subject Boss (5.9%), and Knowledge Demon Boss (4.3%) — the share of its runs each accounts for is shown.

  • Aeonglass Boss6.1% of runs
  • Test Subject Boss5.9% of runs
  • Knowledge Demon Boss4.3% of runs
  • Queen Boss4.3% of runs
  • Kaiser Crab Boss4.1% of runs
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Nunchaku – Frequently Asked Questions

Is Nunchaku good in Slay the Spire 2?

Across 1382 tracked runs carrying it, Nunchaku wins 38.1% of the time — +23.8% above the average run. Win rate reflects how often runs with the relic end in victory.

What does Nunchaku do in Slay the Spire 2?

Every time you play Attacks, gain Energy.

How rare is Nunchaku in Slay the Spire 2?

Nunchaku is an Uncommon relic, picked up in 5.1% of tracked runs.

What is the best card to use with Nunchaku?

In tracked runs, Nunchaku has performed best alongside Malaise, which lifts its win rate by +43.7% over 23 runs together.

Which class is Nunchaku best in?

Nunchaku has its highest win rate with The Silent (47.6%).

Should I take Nunchaku when it is offered?

Players take Nunchaku in 61.9% of its 2262 recorded offers. Runs that picked it win 38.2% (1382 decided runs) against 27.1% for runs that skipped it (837 decided runs) — a +11.1% difference, and a +11.0% pick lift once sample size is accounted for.

See Also

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