Sturdy ClampRelic
Up to Block persists across turns.
Is Sturdy Clamp good in Slay the Spire 2?
In Slay the Spire 2, Sturdy Clamp is a rare relic you can pick up on your climb. Its effect: Up to Block persists across turns. Right now it’s a high-value grab, sitting at B tier — one of the relics most worth taking.
Over 13 tracked runs the win rate of decks holding it sits at 46.1%, 33.5% ahead of the 12.6% all-run baseline. It sees lighter play, carried in only 2.5% of runs. It does its best work in the hands of the Necrobinder, who post a 66.7% win rate with it. Within Necrobinder runs specifically, it’s carried 1.7% of the time.
Its standout card pairing is Unleash, which lifts the relic’s win rate by +20.5% when both are in play. It also works nicely with Bodyguard, good for a +20.5% win-rate change. It typically enters the deck near floor 19. As a rare relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 6 ended in victory while 7 fell to a defeat. Its most common run-ender is Vantom Boss, finishing 15.4% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Sturdy Clamp is worth grabbing.
Sturdy Clamp Win Rate & Pick Rate
At a 46.1% win rate, Sturdy Clamp runs 33.5% ahead of the 12.6% all-run baseline — the bars below put the two side by side.
Run Outcomes with Sturdy Clamp
Across the 13 runs that carried Sturdy Clamp, 6 ended in a win and 7 in a loss — a 46.2% win share, counting abandons as losses.
- Wins 46.2%
- Losses 53.8%
Best Cards with Sturdy Clamp
The cards that gain the most from carrying Sturdy Clamp are Unleash (+20.5%), Bodyguard (+20.5%), and Gamma Blast (+20.5%), each shown with its win-rate swing.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Sturdy Clamp Win Rate by Class
Of the 4 classes that carry Sturdy Clamp, it performs best with Necrobinder (66.7%), Silent (50.0%), and Regent (40.0%).
Sturdy Clamp Details
Carried in 2.5% of runs, Sturdy Clamp is a rare relic typically acquired near floor 19.
Up to Block persists across turns.
What Ends Runs with Sturdy Clamp
Runs carrying Sturdy Clamp end most often against Vantom Boss (15.4%) — the share of its runs each accounts for is shown.
- Vantom Boss15.4% of runs
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Sturdy Clamp – Frequently Asked Questions
Is Sturdy Clamp good in Slay the Spire 2?
Across 13 tracked runs carrying it, Sturdy Clamp wins 46.1% of the time — +33.5% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Sturdy Clamp do in Slay the Spire 2?
Up to Block persists across turns.
How rare is Sturdy Clamp in Slay the Spire 2?
Sturdy Clamp is a Rare relic, picked up in 2.5% of tracked runs.
What is the best card to use with Sturdy Clamp?
In tracked runs, Sturdy Clamp has performed best alongside Unleash, which lifts its win rate by +20.5% over 3 runs together.
Which class is Sturdy Clamp best in?
Sturdy Clamp has its highest win rate with The Necrobinder (66.7%).
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.