Sword of Stone Relic

Is Sword of Stone good in Slay the Spire 2?

In Slay the Spire 2, Sword of Stone is an event relic you can pick up on your climb. Its effect: Transforms into a powerful Relic after defeating Elites. The data marks it as a weaker relic, settling at F tier — rarely a run-defining grab.

Over 1065 tracked runs the win rate of decks holding it sits at 4.8%, 9.0% short of the 13.8% all-run baseline. It sees lighter play, carried in only 5.1% of runs. It does its best work in the hands of the Necrobinder, who post a 6.8% win rate with it. Within Necrobinder runs specifically, it’s carried 5.4% of the time.

Its standout card pairing is Mad Science, which lifts the relic’s win rate by +37.3% when both are in play. It also works nicely with Storm, good for a +21.9% win-rate change. It typically enters the deck near floor 7. As an event relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 51 ended in victory while 1007 fell to a defeat. Its most common run-ender is Lagavulin Matriarch Boss, finishing 6.0% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Sword of Stone is worth grabbing.

Pick or Skip: Sword of Stone

Across 1341 offers Sword of Stone has a 100.0% pick rate; the 1341 runs that took it and 0 that left it are still below the sample floor, so no win rate is shown.

Taken 1341 times out of 1341 offers.

A win rate is only shown once that side clears the sample floor. Below it you get the run counts and nothing else — a 0% here would be a reporting artefact, not a result.

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 Sword of Stone

The cards that gain the most from carrying Sword of Stone are Mad Science (+37.3%), Storm (+21.9%), and Accelerant (+21.9%), each shown with its win-rate swing.

Mad Science+37.3%19 runsStorm+21.9%15 runsAccelerant+21.9%15 runsAssassinate+21.3%23 runsUltimate Defend+21.3%23 runsDebilitate+20.2%16 runs

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

Sword of Stone Win Rate by Class

Of the 5 classes that carry Sword of Stone, it performs best with Necrobinder (6.8%), Silent (6.6%), and Ironclad (4.0%).

The Necrobinder6.8%195 runsThe Silent6.6%243 runsThe Ironclad4.0%228 runsThe Defect3.6%222 runsThe Regent2.9%174 runs

Sword of Stone Details

Carried in 5.1% of runs, Sword of Stone is an event relic typically acquired near floor 7.

Transforms into a powerful Relic after defeating Elites.

What Ends Runs with Sword of Stone

Runs carrying Sword of Stone end most often against Lagavulin Matriarch Boss (6.0%), Infested Prisms Elite (5.7%), and Decimillipede Elite (5.1%) — the share of its runs each accounts for is shown.

• Lagavulin Matriarch Boss6.0% of runs
• Infested Prisms Elite5.7% of runs
• Decimillipede Elite5.1% of runs
• Phantasmal Gardeners Elite4.5% of runs
• Waterfall Giant Boss4.4% of runs

See Also

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