Stone ArmorPower
Gain 4 Plating.
Is Stone Armor good in Slay the Spire 2?
In Slay the Spire 2, Stone Armor is an uncommon power from the Ironclad card pool. Its effect: Gain 4 Plating. Right now it’s a premium pick that sits at S tier — one of the better cards you can add to a deck this run.
Over 5 tracked runs its win rate sits at 40.0%, 27.4% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 1.0% of eligible runs. Within Ironclad runs it’s drafted 10.2% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.
Its standout pairing so far is Bash, which lifts its win rate by 0.0% when the two share a deck. On the relic side, Burning Blood is its standout companion, worth a 0.0% win-rate swing alongside it. It costs 1 energy, gets upgraded 20.0% of the time, and tends to be picked up near floor 17.
Of the runs that drafted it, 2 ended in victory against 3 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Stone Armor fits a Ironclad deck.
Stone Armor Win Rate & Pick Rate
At a 40.0% win rate, Stone Armor runs 27.4% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Stone Armor
Across the 5 tracked runs that drafted Stone Armor, 2 ended in a win and 3 in a loss — a 40.0% win share, counting abandons as losses.
- Wins 40.0%
- Losses 60.0%
Stone Armor Win Rate by Class
Exclusive to the Ironclad, Stone Armor posts a 40.0% win rate over 5 tracked runs.
The Ironcladappears in 10.2% of its runs (5 tracked)Best Relics for Stone Armor
The relics that swing Stone Armor’s win rate the most are Burning Blood (0.0%), with each lift shown.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Stone Armor Card Details
A 1-energy uncommon power, Stone Armor is upgraded 20.0% of the time and tends to enter the deck around floor 17.
Gain 4 Plating.
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Stone Armor – Frequently Asked Questions
Is Stone Armor good in Slay the Spire 2?
Across 5 tracked runs, Stone Armor has a 40.0% win rate — +27.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Stone Armor do in Slay the Spire 2?
Stone Armor costs 1 energy. Gain 4 Plating.
What class is Stone Armor in Slay the Spire 2?
Stone Armor is an Uncommon Ironclad Power.
Is Stone Armor worth upgrading in Slay the Spire 2?
Stone Armor can be upgraded at a rest site to improve its effect.
What is the best relic for Stone Armor?
In tracked runs, Stone Armor has performed best alongside Burning Blood, which lifts its win rate by 0.0% over 5 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.