Antewise

Biased Cognition — Defect 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.
Biased Cognition card art
Biased Cognition

Gain 4 Focus. At the start of your turn, lose 1 Focus.

CharacterDefect
TypePower
RarityAncient
Cost1 Energy
TargetSelf

Card text

Gain 4 Focus. At the start of your turn, lose 1 Focus.

Upgraded: Gain 5 Focus. At the start of your turn, lose 1 Focus.

What it applies

  • Focus × 4
  • Biased Cognition × 1

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 Biased Cognition do in Slay the Spire 2?

Gain 4 Focus. At the start of your turn, lose 1 Focus.

What does upgrading Biased Cognition change?

Gain 5 Focus. At the start of your turn, lose 1 Focus.

How much does Biased Cognition cost?

1 Energy. It is a Ancient 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.