
Dark ShacklesSkill
Enemy loses Strength this turn.
Is Dark Shackles good in Slay the Spire 2?
In Slay the Spire 2, Dark Shackles is an uncommon skill from the Colorless card pool. Its effect: Enemy loses Strength this turn. 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 33.3%, 20.7% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 0.8% of eligible runs. Within Defect runs it’s drafted 3.6% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.5 copies on average.
Its standout pairing so far is Ascender's Bane, which lifts its win rate by -33.3% when the two share a deck. It costs 0 energy, gets upgraded 0.0% of the time, and tends to be picked up near floor 22.
Of the runs that drafted it, 1 ended in victory against 2 deaths and 1 abandons. See the synergies, class split, and threats below for the full picture of where Dark Shackles fits a Colorless deck.
Dark Shackles Win Rate & Pick Rate
At a 33.3% win rate, Dark Shackles runs 20.7% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Dark Shackles
Across the 4 tracked runs that drafted Dark Shackles, 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 Dark Shackles
Dark Shackles’s strongest card pairings so far are Ascender's Bane (-33.3%), each shown with the win-rate lift it adds.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Dark Shackles Win Rate by Class
Of the 3 classes that draft Dark Shackles, it performs best with Defect (100.0%), Necrobinder (0.0%), and Silent (0.0%).
Dark Shackles Card Details
A 0-energy uncommon skill, Dark Shackles is upgraded 0.0% of the time and tends to enter the deck around floor 22.
Enemy loses Strength this turn.
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Dark Shackles – Frequently Asked Questions
Is Dark Shackles good in Slay the Spire 2?
Across 4 tracked runs, Dark Shackles has a 33.3% win rate — +20.7% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Dark Shackles do in Slay the Spire 2?
Dark Shackles costs 0 energy. Enemy loses Strength this turn.
What class is Dark Shackles in Slay the Spire 2?
Dark Shackles is an Uncommon Colorless Skill.
Is Dark Shackles worth upgrading in Slay the Spire 2?
Dark Shackles can be upgraded at a rest site to improve its effect.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.