Antewise

Mad Science — Event 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.
Mad Science card art
Mad Science

Deal 12 damage.

CharacterEvent
TypeAttack
RarityEvent
Cost1 Energy
TargetAnyEnemy
Total damage12
Per Energy12.00

Card text

Deal 12 damage.

This card has no upgraded text in the card data, so it does not change on upgrade or the change is not text.

Where it sits on the curve

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

Mad Science produces 12.00 per Energy at base . That ranks it 12 of 143 of the 143 attacks with a fixed cost. It sits in the top 92% on this measure.

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

Other Event cards at 1 Energy

  • Apparition — Gain 1 Intangible.
  • Caltrops — Whenever you are attacked, deal 3 damage back.
  • Distraction — Add a random Skill into your Hand. It's free to play this turn.
  • Dual Wield — Choose an Attack or Power card. Add a copy of that card into your Hand.
  • Exterminate — Deal 3 damage to ALL enemies 4 times.
  • Hello World — At the start of your turn, add a random Common card into your Hand.

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 Mad Science do in Slay the Spire 2?

Deal 12 damage.

How much does Mad Science cost?

1 Energy. It is a Event Attack card.

Is Mad Science efficient for its cost?

It produces 12.00 damage per Energy, which ranks 12 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.