Antewise

Outbreak — Silent Power 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.
Outbreak card art
Outbreak

Every 3 times you apply Poison, deal 11 damage to ALL enemies.

CharacterSilent
TypePower
RarityUncommon
Cost1 Energy
TargetSelf

Card text

Every 3 times you apply Poison, deal 11 damage to ALL enemies.

Upgraded: Every 3 times you apply Poison, deal 15 damage to ALL enemies.

What it applies

  • Outbreak × 11

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 Outbreak do in Slay the Spire 2?

Every 3 times you apply Poison, deal 11 damage to ALL enemies.

What does upgrading Outbreak change?

Every 3 times you apply Poison, deal 15 damage to ALL enemies.

How much does Outbreak cost?

1 Energy. It is a Uncommon Power card.

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.