Antewise

Lightning Rod — 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.
Lightning Rod card art
Lightning Rod

Gain 4 Block. At the start of the next 2 turns, Channel 1 Lightning.

CharacterDefect
TypeSkill
RarityCommon
Cost1 Energy
TargetSelf
Total Block4
Per Energy4.00 → 7.00 upgraded

Card text

Gain 4 Block. At the start of the next 2 turns, Channel 1 Lightning.

Upgraded: Gain 7 Block. At the start of the next 2 turns, Channel 1 Lightning.

Where it sits on the curve

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

Lightning Rod produces 4.00 per Energy at base and <strong>7.00</strong> upgraded. That ranks it 48 of 56 of the 56 skills with a fixed cost. It sits in the top 16% on this measure.

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

What it applies

  • Lightning Rod × 2

Other Defect cards at 1 Energy

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 Lightning Rod do in Slay the Spire 2?

Gain 4 Block. At the start of the next 2 turns, Channel 1 Lightning.

What does upgrading Lightning Rod change?

Gain 7 Block. At the start of the next 2 turns, Channel 1 Lightning.

How much does Lightning Rod cost?

1 Energy. It is a Common Skill card.

Is Lightning Rod efficient for its cost?

It produces 4.00 Block per Energy, which ranks 48 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.