Antewise

Echoing Slash — Silent 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.
Echoing Slash card art
Echoing Slash

Deal 10 damage to ALL enemies. Repeat this effect for each enemy killed.

CharacterSilent
TypeAttack
RarityRare
Cost1 Energy
TargetAllEnemies
Total damage10
Per Energy10.00 → 13.00 upgraded

Card text

Deal 10 damage to ALL enemies. Repeat this effect for each enemy killed.

Upgraded: Deal 13 damage to ALL enemies. Repeat this effect for each enemy killed.

Where it sits on the curve

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

Echoing Slash produces 10.00 per Energy at base and <strong>13.00</strong> upgraded. That ranks it 19 of 143 of the 143 attacks with a fixed cost. It sits in the top 87% on this measure.

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

Other Silent 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 Echoing Slash do in Slay the Spire 2?

Deal 10 damage to ALL enemies. Repeat this effect for each enemy killed.

What does upgrading Echoing Slash change?

Deal 13 damage to ALL enemies. Repeat this effect for each enemy killed.

How much does Echoing Slash cost?

1 Energy. It is a Rare Attack card.

Is Echoing Slash efficient for its cost?

It produces 10.00 damage per Energy, which ranks 19 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.