Phantom BladesPower
Shivs gain Retain. The first Shiv you play each turn deals 9 additional damage.
Is Phantom Blades good in Slay the Spire 2?
In Slay the Spire 2, Phantom Blades is an uncommon power from the Silent card pool. Its effect: Shivs gain Retain. The first Shiv you play each turn deals 9 additional damage. Right now it’s a premium pick that sits at B tier — one of the better cards you can add to a deck this run.
Over 4 tracked runs its win rate sits at 25.0%, 12.4% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 0.8% of eligible runs. Within Silent runs it’s drafted 3.9% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.3 copies on average.
Its standout pairing so far is Follow Through, which lifts its win rate by +8.3% when the two share a deck. On the relic side, Book of Five Rings is its standout companion, worth a +8.3% win-rate swing alongside it. It costs 1 energy, gets upgraded 20.0% of the time, and tends to be picked up near floor 16.
Of the runs that drafted it, 1 ended in victory against 3 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Phantom Blades fits a Silent deck.
Phantom Blades Win Rate & Pick Rate
At a 25.0% win rate, Phantom Blades runs 12.4% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Phantom Blades
Across the 4 tracked runs that drafted Phantom Blades, 1 ended in a win and 3 in a loss — a 25.0% win share, counting abandons as losses.
- Wins 25.0%
- Losses 75.0%
Best Cards to Pair with Phantom Blades
Phantom Blades’s strongest card pairings so far are Follow Through (+8.3%), Blade of Ink (+8.3%), and Defend (0.0%), each shown with the win-rate lift it adds.
Follow Through3 runs
Blade of Ink3 runs
Defend4 runs
Ascender's Bane4 runs
Neutralize4 runs
Survivor4 runsBased on small co-occurring samples — treat these as early signals, not final verdicts.
Phantom Blades Win Rate by Class
Exclusive to the Silent, Phantom Blades posts a 25.0% win rate over 4 tracked runs.
The Silentappears in 3.9% of its runs (4 tracked)Best Relics for Phantom Blades
The relics that swing Phantom Blades’s win rate the most are Book of Five Rings (+8.3%), Anchor (+8.3%), and Ring of the Snake (-25.0%), with each lift shown.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Phantom Blades Card Details
A 1-energy uncommon power, Phantom Blades is upgraded 20.0% of the time and tends to enter the deck around floor 16.
Shivs gain Retain. The first Shiv you play each turn deals 9 additional damage.
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Phantom Blades – Frequently Asked Questions
Is Phantom Blades good in Slay the Spire 2?
Across 4 tracked runs, Phantom Blades has a 25.0% win rate — +12.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Phantom Blades do in Slay the Spire 2?
Phantom Blades costs 1 energy. Shivs gain Retain. The first Shiv you play each turn deals 9 additional damage.
What class is Phantom Blades in Slay the Spire 2?
Phantom Blades is an Uncommon Silent Power.
Is Phantom Blades worth upgrading in Slay the Spire 2?
Phantom Blades can be upgraded at a rest site to improve its effect.
What is the best relic for Phantom Blades?
In tracked runs, Phantom Blades has performed best alongside Book of Five Rings, which lifts its win rate by +8.3% over 3 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.