Music BoxRelic
Create an Ethereal copy of the first Attack you play each turn.
Is Music Box good in Slay the Spire 2?
In Slay the Spire 2, Music Box is an ancient relic you can pick up on your climb. Its effect: Create an Ethereal copy of the first Attack you play each turn. Right now it’s a high-value grab, sitting at S tier — one of the relics most worth taking.
Over 4 tracked runs the win rate of decks holding it sits at 75.0%, 62.4% ahead of the 12.6% all-run baseline. It sees lighter play, carried in only 0.8% of runs. It does its best work in the hands of the Defect, who post a 100.0% win rate with it. Within Defect runs specifically, it’s carried 3.6% of the time.
Its standout card pairing is Ascender's Bane, which lifts the relic’s win rate by -8.3% when both are in play. It typically enters the deck near floor 33. As an ancient relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 3 ended in victory while 1 fell to a defeat. See the best cards, class split, and threats below for the full read on whether Music Box is worth grabbing.
Music Box Win Rate & Pick Rate
At a 75.0% win rate, Music Box runs 62.4% ahead of the 12.6% all-run baseline — the bars below put the two side by side.
Run Outcomes with Music Box
Across the 4 runs that carried Music Box, 3 ended in a win and 1 in a loss — a 75.0% win share, counting abandons as losses.
- Wins 75.0%
- Losses 25.0%
Best Cards with Music Box
The cards that gain the most from carrying Music Box are Ascender's Bane (-8.3%), each shown with its win-rate swing.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Music Box Details
Carried in 0.8% of runs, Music Box is an ancient relic typically acquired near floor 33.
Create an Ethereal copy of the first Attack you play each turn.
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Music Box – Frequently Asked Questions
Is Music Box good in Slay the Spire 2?
Across 4 tracked runs carrying it, Music Box wins 75.0% of the time — +62.4% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Music Box do in Slay the Spire 2?
Create an Ethereal copy of the first Attack you play each turn.
How rare is Music Box in Slay the Spire 2?
Music Box is an Ancient relic, picked up in 0.8% of tracked runs.
What is the best card to use with Music Box?
In tracked runs, Music Box has performed best alongside Ascender's Bane, which lifts its win rate by -8.3% over 3 runs together.
Which class is Music Box best in?
Music Box has its highest win rate with The Defect (100.0%).
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.