DualcastSkill
Evoke your rightmost Orb twice.
Is Dualcast good in Slay the Spire 2?
In Slay the Spire 2, Dualcast is a basic skill from the Defect card pool. Its effect: Evoke your rightmost Orb twice. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.
Over 25 tracked runs its win rate sits at 8.3%, 4.3% short of the 12.6% all-deck baseline. It sees niche play, included in only 4.8% of eligible runs. Within Defect runs it’s drafted 89.3% 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 Cold Snap, which lifts its win rate by +25.0% when the two share a deck. On the relic side, Data Disk is its standout companion, worth a +58.3% win-rate swing alongside it. It costs 1 energy, gets upgraded 8.0% of the time, and tends to be picked up near floor 1.
Upgrading the card adds -1 EnergyCost to its stat line. Of the runs that drafted it, 2 ended in victory against 22 deaths and 1 abandons. Its most common run-ender is Kaiser Crab Boss, finishing 20.0% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Dualcast fits a Defect deck.
Dualcast Win Rate & Pick Rate
At a 8.3% win rate, Dualcast runs 4.3% behind the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Dualcast
Across the 25 tracked runs that drafted Dualcast, 2 ended in a win and 23 in a loss — a 8.0% win share, counting abandons as losses.
- Wins 8.0%
- Losses 92.0%
Best Cards to Pair with Dualcast
Dualcast’s strongest card pairings so far are Cold Snap (+25.0%), Fight Through (+25.0%), and Adaptive Strike (+25.0%), each shown with the win-rate lift it adds.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Dualcast Win Rate by Class
Exclusive to the Defect, Dualcast posts a 8.3% win rate over 25 tracked runs.
The Defectappears in 89.3% of its runs (25 tracked)Best Relics for Dualcast
The relics that swing Dualcast’s win rate the most are Data Disk (+58.3%), Fresnel Lens (+25.0%), and Bag of Marbles (+25.0%), with each lift shown.
Data Disk3 runs
Fresnel Lens3 runs
Bag of Marbles3 runs
Gremlin Horn3 runs
Eternal Feather3 runs
Pael's Wing3 runsBased on small co-occurring samples — treat these as early signals, not final verdicts.
Dualcast Card Details
A 1-energy basic skill, Dualcast is upgraded 8.0% of the time and tends to enter the deck around floor 1.
Evoke your rightmost Orb twice.
Upgrade: -1 EnergyCost
What Ends Runs with Dualcast
Runs holding Dualcast end most often against Kaiser Crab Boss (20.0%), The Kin Boss (12.0%), and The Insatiable Boss (8.0%) — the share of its runs each accounts for is shown.
- Kaiser Crab Boss20.0% of runs
- The Kin Boss12.0% of runs
- The Insatiable Boss8.0% of runs
- Queen Boss8.0% of runs
- Knowledge Demon Boss8.0% of runs
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Dualcast – Frequently Asked Questions
Is Dualcast good in Slay the Spire 2?
Across 25 tracked runs, Dualcast has a 8.3% win rate — +4.3% below the average deck. Win rate reflects how often runs that include the card end in victory.
What does Dualcast do in Slay the Spire 2?
Dualcast costs 1 energy. Evoke your rightmost Orb twice.
What class is Dualcast in Slay the Spire 2?
Dualcast is a Basic Defect Skill.
Is Dualcast worth upgrading in Slay the Spire 2?
Players upgrade Dualcast in 8.0% of runs. Upgrading it grants -1 EnergyCost.
What is the best relic for Dualcast?
In tracked runs, Dualcast has performed best alongside Data Disk, which lifts its win rate by +58.3% over 3 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.