Royal Stamp Relic

Is Royal Stamp good in Slay the Spire 2?

In Slay the Spire 2, Royal Stamp is a shop relic you can pick up on your climb. Its effect: Upon pickup, choose an Attack or Skill in your Deck to Enchant with. Performance-wise it’s a steady, unspectacular pick rated C tier overall.

Over 284 tracked runs the win rate of decks holding it sits at 48.9%, 35.1% ahead of the 13.8% all-run baseline. It sees lighter play, carried in only 1.4% of runs. It does its best work in the hands of the Ironclad, who post a 64.6% win rate with it. Within Ironclad runs specifically, it’s carried 1.4% of the time.

Its standout card pairing is Shrug It Off, which lifts the relic’s win rate by +33.4% when both are in play. It also works nicely with True Grit, good for a +32.3% win-rate change. It typically enters the deck near floor 27. As a shop relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 138 ended in victory while 144 fell to a defeat. Its most common run-ender is Test Subject 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 Royal Stamp is worth grabbing.

Pick or Skip: Royal Stamp

Players take Royal Stamp in 20.8% of the 1368 offers it appears in; those runs win 48.9% against 24.7% for runs that passed, a pick lift of +23.4% over 282 decided runs.

Taken 285 times out of 1368 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 Royal Stamp

The cards that gain the most from carrying Royal Stamp are Shrug It Off (+33.4%), True Grit (+32.3%), and Colossus (+28.3%), each shown with its win-rate swing.

Shrug It Off+33.4%34 runsTrue Grit+32.3%16 runsColossus+28.3%22 runsTwin Strike+23.3%18 runsDominate+21.1%20 runsMolten Fist+21.1%20 runs

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

Royal Stamp Win Rate by Class

Of the 5 classes that carry Royal Stamp, it performs best with Ironclad (64.6%), Necrobinder (48.0%), and Silent (47.1%).

The Ironclad64.6%65 runsThe Necrobinder48.0%50 runsThe Silent47.1%70 runsThe Regent45.6%59 runsThe Defect33.3%39 runs

Royal Stamp Details

Carried in 1.4% of runs, Royal Stamp is a shop relic typically acquired near floor 27.

Upon pickup, choose an Attack or Skill in your Deck to Enchant with.

What Ends Runs with Royal Stamp

Runs carrying Royal Stamp end most often against Test Subject Boss (6.7%), Queen Boss (5.6%), and Aeonglass Boss (4.2%) — the share of its runs each accounts for is shown.

• Test Subject Boss6.7% of runs
• Queen Boss5.6% of runs
• Aeonglass Boss4.2% of runs
• Kaiser Crab Boss2.8% of runs
• Decimillipede Elite2.5% of runs

See Also

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