Bag of Marbles•Relic

Is Bag of Marbles good in Slay the Spire 2?

In Slay the Spire 2, Bag of Marbles is a common relic you can pick up on your climb. Its effect: At the start of each combat, apply Vulnerable to ALL enemies. Performance-wise it’s a steady, unspectacular pick rated C tier overall.

Over 309 tracked runs the win rate of decks holding it sits at 42.5%, 23.6% ahead of the 18.9% all-run baseline. It sees lighter play, carried in only 8.2% of runs. It does its best work in the hands of the Silent, who post a 56.5% win rate with it. Within Silent runs specifically, it’s carried 7.9% of the time.

Its standout card pairing is Fight Me!, which lifts the relic’s win rate by +57.5% when both are in play. It also works nicely with Shadowmeld, good for a +57.5% 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, 122 ended in victory while 165 fell to a defeat. Its most common run-ender is Queen Boss, finishing 5.8% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Bag of Marbles is worth grabbing.

Best Cards with Bag of Marbles

The cards that gain the most from carrying Bag of Marbles are Fight Me! (+57.5%), Shadowmeld (+57.5%), and Spoils of Battle (+57.5%), each shown with its win-rate swing.

Fight Me!+57.5%4 runsShadowmeld+57.5%5 runsSpoils of Battle+57.5%6 runsConqueror+57.5%3 runsGrand Finale+57.5%5 runsApotheosis+57.5%3 runs

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

Bag of Marbles Win Rate by Class

Of the 5 classes that carry Bag of Marbles, it performs best with Silent (56.5%), Ironclad (42.0%), and Regent (40.9%).

The Silent56.5%78 runsThe Ironclad42.0%70 runsThe Regent40.9%47 runsThe Defect36.0%53 runsThe Necrobinder32.7%61 runs

Bag of Marbles Details

Carried in 8.2% of runs, Bag of Marbles is a common relic typically acquired near floor 22.

At the start of each combat, apply Vulnerable to ALL enemies.

What Ends Runs with Bag of Marbles

Runs carrying Bag of Marbles end most often against Queen Boss (5.8%), Test Subject Boss (5.8%), and Kaiser Crab Boss (3.6%) — the share of its runs each accounts for is shown.

• Queen Boss5.8% of runs
• Test Subject Boss5.8% of runs
• Kaiser Crab Boss3.6% of runs
• Knowledge Demon Boss3.6% of runs
• Lagavulin Matriarch Boss2.9% of runs

See Also

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