Antewise

Ball Lightning — Defect Attack 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.
Ball Lightning card art
Ball Lightning

Deal 7 damage. Channel 1 Lightning.

CharacterDefect
TypeAttack
RarityCommon
Cost1 Energy
TargetAnyEnemy
Total damage7
Per Energy7.00 → 10.00 upgraded

Card text

Deal 7 damage. Channel 1 Lightning.

Upgraded: Deal 10 damage. Channel 1 Lightning.

Where it sits on the curve

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

Ball Lightning produces 7.00 per Energy at base and <strong>10.00</strong> upgraded. That ranks it 72 of 143 of the 143 attacks with a fixed cost. It sits in the top 50% 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 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 Ball Lightning do in Slay the Spire 2?

Deal 7 damage. Channel 1 Lightning.

What does upgrading Ball Lightning change?

Deal 10 damage. Channel 1 Lightning.

How much does Ball Lightning cost?

1 Energy. It is a Common Attack card.

Is Ball Lightning efficient for its cost?

It produces 7.00 damage per Energy, which ranks 72 of 143 among the attacks 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.