Eternal ArmorPower
Gain 9 Plating.
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 6 tracked runs its win rate sits at 60.0%, 47.4% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 1.2% of eligible runs. Within Necrobinder runs it’s drafted 1.2% 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 Ascender's Bane, which lifts its win rate by +15.0% when the two share a deck. On the relic side, Cursed Pearl is its standout companion, worth a +6.7% win-rate swing alongside it. It costs 3 energy, gets upgraded 83.3% of the time, and tends to be picked up near floor 15.
Of the runs that drafted it, 3 ended in victory against 2 deaths and 1 abandons. See the synergies, class split, and threats below for the full picture of where Eternal Armor fits a Colorless deck.
Eternal Armor Win Rate & Pick Rate
At a 60.0% win rate, Eternal Armor runs 47.4% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Eternal Armor
Across the 6 tracked runs that drafted Eternal Armor, 3 ended in a win and 3 in a loss — a 50.0% win share, counting abandons as losses.
- Wins 50.0%
- Losses 50.0%
Best Cards to Pair with Eternal Armor
Eternal Armor’s strongest card pairings so far are Ascender's Bane (+15.0%), Solar Strike (+6.7%), and Pillar of Creation (+6.7%), each shown with the win-rate lift it adds.
Ascender's Bane5 runs
Solar Strike3 runs
Pillar of Creation3 runs
Gather Light3 runs
Crush Under3 runs
Spectrum Shift3 runsBased on small co-occurring samples — treat these as early signals, not final verdicts.
Eternal Armor Win Rate by Class
Of the 2 classes that draft Eternal Armor, it performs best with Necrobinder (100.0%) and Regent (50.0%).
Best Relics for Eternal Armor
The relics that swing Eternal Armor’s win rate the most are Cursed Pearl (+6.7%) and Divine Right (-10.0%), with each lift shown.
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 83.3% of the time and tends to enter the deck around floor 15.
Gain 9 Plating.
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Eternal Armor – Frequently Asked Questions
Is Eternal Armor good in Slay the Spire 2?
Across 6 tracked runs, Eternal Armor has a 60.0% win rate — +47.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Eternal Armor do in Slay the Spire 2?
Eternal Armor costs 3 energy. Gain 9 Plating.
What class is Eternal Armor in Slay the Spire 2?
Eternal Armor is a Rare Colorless Power.
Is Eternal Armor worth upgrading in Slay the Spire 2?
Eternal Armor can be upgraded at a rest site to improve its effect.
What is the best relic for Eternal Armor?
In tracked runs, Eternal Armor has performed best alongside Cursed Pearl, which lifts its win rate by +6.7% over 4 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.