Antewise

Envenom — 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.
Envenom card art
Envenom

Whenever an Attack deals unblocked damage, apply 1 Poison.

CharacterSilent
TypePower
RarityRare
Cost2 Energy
TargetSelf

Card text

Whenever an Attack deals unblocked damage, apply 1 Poison.

Upgraded: Whenever an Attack deals unblocked damage, apply 2 Poison.

What it applies

  • Envenom × 1

Other Silent cards at 2 Energy

  • Bouncing Flask — Apply 3 Poison to a random enemy 3 times.
  • Dash — Gain 10 Block. Deal 10 damage.
  • Fan of Knives — Shivs now hit ALL enemies. Add 4 Shivs into your Hand.
  • Flanking — The enemy takes double attack damage from other players this turn.
  • Knife Trap — Play every Shiv in your Exhaust Pile on the enemy.
  • Leg Sweep — Apply 2 Weak. Gain 11 Block.

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 Envenom do in Slay the Spire 2?

Whenever an Attack deals unblocked damage, apply 1 Poison.

What does upgrading Envenom change?

Whenever an Attack deals unblocked damage, apply 2 Poison.

How much does Envenom cost?

2 Energy. It is a Rare 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.