Eternal Armor•Power

Is Eternal Armor good in Slay the Spire 2?

In Slay the Spire 2, Eternal Armor is a rare power from the Colorless card pool. Its effect: Gain 9 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 23 tracked runs its win rate sits at 56.3%, 37.3% ahead of the 19.0% all-deck baseline. It sees niche play, included in only 0.6% of eligible runs. Within Ironclad runs it’s drafted 0.8% 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 True Grit, which lifts its win rate by +12.5% when the two share a deck. On the relic side, Candelabra is its standout companion, worth a +12.5% win-rate swing alongside it. It costs 3 energy, gets upgraded 43.5% of the time, and tends to be picked up near floor 20.

Of the runs that drafted it, 9 ended in victory against 7 deaths and 7 abandons. Its most common run-ender is Decimillipede Elite, finishing 8.7% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Eternal Armor fits a Colorless deck.

Best Cards to Pair with Eternal Armor

Eternal Armor’s strongest card pairings so far are True Grit (+12.5%), Bash (+12.5%), and Defend (+12.5%), each shown with the win-rate lift it adds.

True Grit+12.5%5 runsBash+12.5%6 runsDefend+12.5%6 runsStrike+12.5%6 runsBody Slam+10.1%4 runsArmaments+10.1%3 runs

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

Eternal Armor Win Rate by Class

Of the 5 classes that draft Eternal Armor, it performs best with Ironclad (100.0%), Necrobinder (50.0%), and Regent (40.0%).

The Ironclad100.0%6 runsThe Necrobinder50.0%7 runsThe Regent40.0%5 runsThe Defect0.0%4 runsThe Silent0.0%1 runs

Best Relics for Eternal Armor

The relics that swing Eternal Armor’s win rate the most are Candelabra (+12.5%), Burning Blood (+12.5%), and Festive Popper (+10.1%), with each lift shown.

Candelabra+12.5%4 runsBurning Blood+12.5%6 runsFestive Popper+10.1%4 runsPendulum+10.1%4 runsTiny Mailbox+10.1%3 runsLucky Fysh+10.1%4 runs

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

Eternal Armor Card Details

A 3-energy rare power, Eternal Armor is upgraded 43.5% of the time and tends to enter the deck around floor 20.

Gain 9 Plating.

What Ends Runs with Eternal Armor

Runs holding Eternal Armor end most often against Decimillipede Elite (8.7%) and The Insatiable Boss (8.7%) — the share of its runs each accounts for is shown.

• Decimillipede Elite8.7% of runs
• The Insatiable Boss8.7% of runs

See Also

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