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 2031 tracked runs the win rate of decks holding it sits at 35.4%, 21.6% ahead of the 13.8% all-run baseline. It sees lighter play, carried in only 9.7% of runs. It does its best work in the hands of the Regent, who post a 40.8% win rate with it. Within Regent runs specifically, it’s carried 10.2% of the time.

Its standout card pairing is Calamity, which lifts the relic’s win rate by +41.0% when both are in play. It also works nicely with Anointed, good for a +41.0% 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, 713 ended in victory while 1299 fell to a defeat. Its most common run-ender is Test Subject Boss, finishing 6.3% 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.

Pick or Skip: Whetstone

Players take Whetstone in 62.7% of the 3242 offers it appears in; those runs win 35.4% against 29.1% for runs that passed, a pick lift of +6.2% over 2010 decided runs.

Taken 2033 times out of 3242 offers.

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 Whetstone

The cards that gain the most from carrying Whetstone are Calamity (+41.0%), Anointed (+41.0%), and Demonic Shield (+36.8%), each shown with its win-rate swing.

Calamity+41.0%18 runsAnointed+41.0%18 runsDemonic Shield+36.8%18 runsBombardment+35.1%52 runsAlchemize+33.8%27 runsApparition+33.1%36 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 Regent (40.8%), Necrobinder (39.0%), and Silent (35.3%).

The Regent40.8%336 runsThe Necrobinder39.0%372 runsThe Silent35.3%479 runsThe Ironclad34.4%491 runsThe Defect27.4%341 runs

Whetstone Details

Carried in 9.7% of runs, Whetstone is a common relic typically acquired near floor 22.

Upon pickup, Upgrade random Attacks.

What Ends Runs with Whetstone

Runs carrying Whetstone end most often against Test Subject Boss (6.3%), Queen Boss (5.6%), and Aeonglass Boss (5.2%) — the share of its runs each accounts for is shown.

• Test Subject Boss6.3% of runs
• Queen Boss5.6% of runs
• Aeonglass Boss5.2% of runs
• Kaiser Crab Boss4.6% of runs
• Knowledge Demon Boss4.1% of runs

See Also

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