Antewise

Shadow Shield — Defect Skill Card in Slay the Spire 2

Updated 17 Oct 2026 Source Slay the Spire 2 card data (spire-codex.com API), 577 cards retrieved 17 October 2026 By
Data status: The facts on this page were checked against the source named above. Game values can still shift with a patch, so re-check anything that looks off.
Shadow Shield card art
Shadow Shield

Gain 11 Block. Channel 1 Dark.

CharacterDefect
TypeSkill
RarityUncommon
Cost2 Energy
TargetSelf
Total Block11
Per Energy5.50 → 7.50 upgraded

Card text

Gain 11 Block. Channel 1 Dark.

Upgraded: Gain 15 Block. Channel 1 Dark.

Where it sits on the curve

Measured the same way as our efficiency tier list: total Block divided by Energy.

Shadow Shield produces 5.50 per Energy at base and <strong>7.50</strong> upgraded. That ranks it 32 of 56 of the 56 skills with a fixed cost. It sits in the top 45% on this measure.

The measure ignores everything that is not a number. Area damage, conditions and drawbacks are not priced in.

Other Defect cards at 2 Energy

  • Adaptive Strike — Deal 18 damage. Add a 01 Energy copy of this card into your Discard Pile.
  • All for One — Deal 10 damage. Put ALL 01 Energy cards from your Discard Pile into your Hand.
  • Buffer — Prevent the next time you would lose HP.
  • Bulk Up — Lose 1 Orb Slot. Gain 2 Strength. Gain 2 Dexterity.
  • Consuming Shadow — Channel 2 Dark. At the end of your turn, Evoke your leftmost Orb.
  • Feral — The first time you play a 01 Energy Attack each turn, return it to your Hand.

Where to go next

All 577 cards — the full table, filterable by character. Efficiency tier list — every measurable card ranked.

Rarity system explains how often this card appears. Enchantments covers the modifiers that can change it.

Frequently asked questions

What does Shadow Shield do in Slay the Spire 2?

Gain 11 Block. Channel 1 Dark.

What does upgrading Shadow Shield change?

Gain 15 Block. Channel 1 Dark.

How much does Shadow Shield cost?

2 Energy. It is a Uncommon Skill card.

Is Shadow Shield efficient for its cost?

It produces 5.50 Block per Energy, which ranks 32 of 56 among the skills that can be measured this way.

More Slay the Spire 2 guides

Sources

Figures and item data on this site are read from the game’s own reference wiki before publishing. Where a value could not be confirmed there, the page says so instead of filling the gap.