Preserved FogRelic
Upon pickup, remove cards from your Deck. Add Folly to your Deck.
Is Preserved Fog good in Slay the Spire 2?
In Slay the Spire 2, Preserved Fog is an ancient relic you can pick up on your climb. Its effect: Upon pickup, remove cards from your Deck. Add Folly to your Deck. Right now it’s a high-value grab, sitting at B tier — one of the relics most worth taking.
Over 32 tracked runs the win rate of decks holding it sits at 53.3%, 34.4% ahead of the 18.9% all-run baseline. It sees lighter play, carried in only 0.8% of runs. It does its best work in the hands of the Ironclad, who post a 75.0% win rate with it. Within Ironclad runs specifically, it’s carried 0.7% of the time.
Its standout card pairing is Phantom Blades, which lifts the relic’s win rate by +46.7% when both are in play. It also works nicely with Bash, good for a +46.7% win-rate change. It typically enters the deck near floor 33. As an ancient relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 16 ended in victory while 14 fell to a defeat. Its most common run-ender is Queen Boss, finishing 12.5% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Preserved Fog is worth grabbing.
Preserved Fog Win Rate & Pick Rate
At a 53.3% win rate, Preserved Fog runs 34.4% ahead of the 18.9% all-run baseline — the bars below put the two side by side.
Run Outcomes with Preserved Fog
Across the 32 runs that carried Preserved Fog, 16 ended in a win and 16 in a loss — a 50.0% win share, counting abandons as losses.
- Wins 50.0%
- Losses 50.0%
Best Cards with Preserved Fog
The cards that gain the most from carrying Preserved Fog are Phantom Blades (+46.7%), Bash (+46.7%), and Blade Dance (+46.7%), each shown with its win-rate swing.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Preserved Fog Win Rate by Class
Of the 5 classes that carry Preserved Fog, it performs best with Ironclad (75.0%), Silent (63.6%), and Necrobinder (50.0%).
Preserved Fog Details
Carried in 0.8% of runs, Preserved Fog is an ancient relic typically acquired near floor 33.
Upon pickup, remove cards from your Deck. Add Folly to your Deck.
What Ends Runs with Preserved Fog
Runs carrying Preserved Fog end most often against Queen Boss (12.5%), Doormaker Boss (9.4%), and Knights Elite (6.3%) — the share of its runs each accounts for is shown.
- Queen Boss12.5% of runs
- Doormaker Boss9.4% of runs
- Knights Elite6.3% of runs
- Test Subject Boss6.3% of runs
Get the Winning Edge
Real-time overlays, automatic match tracking, and exclusive tools — everything you need to climb, free on your PC.
- In-game overlays
- Automatic match tracking
- Desktop-exclusive tools
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Preserved Fog – Frequently Asked Questions
Is Preserved Fog good in Slay the Spire 2?
Across 32 tracked runs carrying it, Preserved Fog wins 53.3% of the time — +34.4% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Preserved Fog do in Slay the Spire 2?
Upon pickup, remove cards from your Deck. Add Folly to your Deck.
How rare is Preserved Fog in Slay the Spire 2?
Preserved Fog is an Ancient relic, picked up in 0.8% of tracked runs.
What is the best card to use with Preserved Fog?
In tracked runs, Preserved Fog has performed best alongside Phantom Blades, which lifts its win rate by +46.7% over 3 runs together.
Which class is Preserved Fog best in?
Preserved Fog has its highest win rate with The Ironclad (75.0%).
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.