EidolonSkill
Exhaust your Hand. If 9 cards were Exhausted this way, gain 1 Intangible.
Is Eidolon good in Slay the Spire 2?
Eidolon is a rare Necrobinder skill in Slay the Spire 2. In combat it resolves as: Exhaust your Hand. If 9 cards were Exhausted this way, gain 1 Intangible. It ranks among the strongest cards its class can draft right now, earning a spot at S tier in our Slay the Spire 2 card tier list.
Across 14 recorded runs, decks running it win 42.9% of the time, comfortably clear of the 18.9% average, by 23.9%. It’s a more selective pick, turning up in just 0.4% of decks that could run it. Silent players keep it in 0.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.3 times in the decks that take it.
It performs best next to Neow's Fury — together they post a +9.5% swing in win rate. It also has strong chemistry with the relic Neow's Torment, which moves its win rate by +9.5%. At 2 energy, it’s upgraded in 16.7% of runs and usually joins the deck around floor 8.
Upgraded, it gains -1 EnergyCost, which is why so many decks invest a rest-site upgrade in it. That’s 3 wins, 4 deaths, and 7 abandoned runs with it in the deck. Read on for Eidolon’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Necrobinder run.
Eidolon Win Rate & Pick Rate
Eidolon’s 42.9% win rate clears the 18.9% all-deck average by 23.9%, the gap charted below.
Run Outcomes with Eidolon
Eidolon has 3 wins and 11 losses over 14 tracked runs (21.4% won); abandoned runs count as losses.
- Wins 21.4%
- Losses 78.6%
Best Cards to Pair with Eidolon
Ranked by win-rate lift, Eidolon performs best alongside Neow's Fury (+9.5%), Negative Pulse (+5.7%), and Defy (+5.5%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Eidolon Win Rate by Class
Eidolon is played across 2 classes, led by Silent (100.0%) and Necrobinder (33.3%) by win rate.
Best Relics for Eidolon
Eidolon pairs best with the relics Neow's Torment (+9.5%), Regal Pillow (+5.5%), and Arcane Scroll (-7.1%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Eidolon Card Details
Eidolon is a rare skill costing 2 energy; it’s upgraded in 16.7% of runs and usually picked up by floor 8.
Exhaust your Hand. If 9 cards were Exhausted this way, gain 1 Intangible.
Upgrade: -1 EnergyCost
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Eidolon – Frequently Asked Questions
Is Eidolon good in Slay the Spire 2?
Across 14 tracked runs, Eidolon has a 42.9% win rate — +23.9% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Eidolon do in Slay the Spire 2?
Eidolon costs 2 energy. Exhaust your Hand. If 9 cards were Exhausted this way, gain 1 Intangible.
What class is Eidolon in Slay the Spire 2?
Eidolon is a Rare Necrobinder Skill.
Is Eidolon worth upgrading in Slay the Spire 2?
Players upgrade Eidolon in 16.7% of runs. Upgrading it grants -1 EnergyCost.
What is the best relic for Eidolon?
In tracked runs, Eidolon has performed best alongside Neow's Torment, which lifts its win rate by +9.5% over 3 runs together.
See Also
Compare Eidolon with the rest of the best Slay the Spire 2 cards, relics, and classes below.