Small Capsule•Relic

Is Small Capsule good in Slay the Spire 2?

In Slay the Spire 2, Small Capsule is an ancient relic you can pick up on your climb. Its effect: Upon pickup, obtain a random Relic. The data marks it as a weaker relic, settling at F tier — rarely a run-defining grab.

Over 143 tracked runs the win rate of decks holding it sits at 28.2%, 9.3% ahead of the 19.0% all-run baseline. It sees lighter play, carried in only 3.8% of runs. It does its best work in the hands of the Ironclad, who post a 40.0% win rate with it. Within Ironclad runs specifically, it’s carried 3.4% of the time.

Its standout card pairing is Royal Gamble, which lifts the relic’s win rate by +71.8% when both are in play. It also works nicely with Demon Form, good for a +71.8% win-rate change. It typically enters the deck near floor 1. As an ancient relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 33 ended in victory while 84 fell to a defeat. Its most common run-ender is Test Subject Boss, finishing 4.2% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Small Capsule is worth grabbing.

Best Cards with Small Capsule

The cards that gain the most from carrying Small Capsule are Royal Gamble (+71.8%), Demon Form (+71.8%), and Dying Star (+71.8%), each shown with its win-rate swing.

Royal Gamble+71.8%3 runsDemon Form+71.8%4 runsDying Star+71.8%3 runsGuiding Star+71.8%3 runsAfterlife+71.8%3 runsPillar of Creation+71.8%3 runs

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

Small Capsule Win Rate by Class

Of the 5 classes that carry Small Capsule, it performs best with Ironclad (40.0%), Regent (31.8%), and Defect (27.8%).

The Ironclad40.0%24 runsThe Regent31.8%27 runsThe Defect27.8%21 runsThe Necrobinder25.0%40 runsThe Silent20.0%31 runs

Small Capsule Details

Carried in 3.8% of runs, Small Capsule is an ancient relic typically acquired near floor 1.

Upon pickup, obtain a random Relic.

What Ends Runs with Small Capsule

Runs carrying Small Capsule end most often against Test Subject Boss (4.2%), Soul Fysh Boss (4.2%), and Terror Eel Elite (3.5%) — the share of its runs each accounts for is shown.

• Test Subject Boss4.2% of runs
• Soul Fysh Boss4.2% of runs
• Terror Eel Elite3.5% of runs
• Entomancer Elite3.5% of runs
• Knowledge Demon Boss3.5% of runs

See Also

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