Whetstone•Relic

Is Whetstone good in Slay the Spire 2?

In Slay the Spire 2, Whetstone is a common relic you can pick up on your climb. Its effect: Upon pickup, Upgrade random Attacks. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 328 tracked runs the win rate of decks holding it sits at 38.6%, 19.7% ahead of the 18.9% all-run baseline. It sees lighter play, carried in only 8.7% of runs. It does its best work in the hands of the Necrobinder, who post a 43.8% win rate with it. Within Necrobinder runs specifically, it’s carried 7.9% of the time.

Its standout card pairing is Entropy, which lifts the relic’s win rate by +61.4% when both are in play. It also works nicely with Apparition, good for a +61.4% win-rate change. It typically enters the deck near floor 21. As a common relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 119 ended in victory while 189 fell to a defeat. Its most common run-ender is Queen Boss, finishing 6.7% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Whetstone is worth grabbing.

Best Cards with Whetstone

The cards that gain the most from carrying Whetstone are Entropy (+61.4%), Apparition (+61.4%), and Quasar (+61.4%), each shown with its win-rate swing.

Entropy+61.4%3 runsApparition+61.4%6 runsQuasar+61.4%3 runsJack of All Trades+61.4%3 runsSecret Weapon+61.4%6 runsSpirit of Ash+61.4%5 runs

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

Whetstone Win Rate by Class

Of the 5 classes that carry Whetstone, it performs best with Necrobinder (43.8%), Ironclad (40.7%), and Silent (39.1%).

The Necrobinder43.8%66 runsThe Ironclad40.7%60 runsThe Silent39.1%93 runsThe Regent38.8%52 runsThe Defect29.6%57 runs

Whetstone Details

Carried in 8.7% of runs, Whetstone is a common relic typically acquired near floor 21.

Upon pickup, Upgrade random Attacks.

What Ends Runs with Whetstone

Runs carrying Whetstone end most often against Queen Boss (6.7%), Test Subject Boss (4.3%), and Kaiser Crab Boss (4.0%) — the share of its runs each accounts for is shown.

• Queen Boss6.7% of runs
• Test Subject Boss4.3% of runs
• Kaiser Crab Boss4.0% of runs
• Knowledge Demon Boss3.7% of runs
• Doormaker Boss3.4% of runs

See Also

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