Shadow ShieldSkill
Gain 11 Block. Channel 1 Dark.
Is Shadow Shield good in Slay the Spire 2?
Shadow Shield is an uncommon Defect skill in Slay the Spire 2. In combat it resolves as: Gain 11 Block. Channel 1 Dark. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.
Across 6 recorded runs, decks running it win 16.7% of the time, comfortably clear of the 12.6% average, by 4.0%. It’s a more selective pick, turning up in just 1.2% of decks that could run it. Defect players keep it in 21.4% 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 Tesla Coil — together they post a +16.7% swing in win rate. It also has strong chemistry with the relic Vajra, which moves its win rate by +16.7%. At 2 energy, it’s upgraded in 25.0% of runs and usually joins the deck around floor 15.
Upgraded, it gains +4 Block, which is why so many decks invest a rest-site upgrade in it. That’s 1 wins, 5 deaths, and 0 abandoned runs with it in the deck. Read on for Shadow Shield’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.
Shadow Shield Win Rate & Pick Rate
Shadow Shield’s 16.7% win rate clears the 12.6% all-deck average by 4.0%, the gap charted below.
Run Outcomes with Shadow Shield
Shadow Shield has 1 wins and 5 losses over 6 tracked runs (16.7% won); abandoned runs count as losses.
- Wins 16.7%
- Losses 83.3%
Best Cards to Pair with Shadow Shield
Ranked by win-rate lift, Shadow Shield performs best alongside Tesla Coil (+16.7%), Defragment (+16.7%), and Darkness (+16.7%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Shadow Shield Win Rate by Class
Shadow Shield is drafted only by the Defect, where it holds a 16.7% win rate across 6 runs.
The Defectappears in 21.4% of its runs (6 tracked)Best Relics for Shadow Shield
Shadow Shield pairs best with the relics Vajra (+16.7%), Whetstone (+16.7%), and Meal Ticket (+8.3%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Shadow Shield Card Details
Shadow Shield is an uncommon skill costing 2 energy; it’s upgraded in 25.0% of runs and usually picked up by floor 15.
Gain 11 Block. Channel 1 Dark.
Upgrade: +4 Block
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Shadow Shield – Frequently Asked Questions
Is Shadow Shield good in Slay the Spire 2?
Across 6 tracked runs, Shadow Shield has a 16.7% win rate — +4.0% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Shadow Shield do in Slay the Spire 2?
Shadow Shield costs 2 energy. Gain 11 Block. Channel 1 Dark.
What class is Shadow Shield in Slay the Spire 2?
Shadow Shield is an Uncommon Defect Skill.
Is Shadow Shield worth upgrading in Slay the Spire 2?
Players upgrade Shadow Shield in 25.0% of runs. Upgrading it grants +4 Block.
What is the best relic for Shadow Shield?
In tracked runs, Shadow Shield has performed best alongside Vajra, which lifts its win rate by +16.7% over 3 runs together.
See Also
Compare Shadow Shield with the rest of the best Slay the Spire 2 cards, relics, and classes below.