Updated for Data 2026-03-17Early Access — numbers may shift with patches.
Biased Cognition
Defect · Power · Ancient · 1 cost
Base
Upgraded
Card text
Gain 4 Focus. At the start of your turn, lose 1 Focus.
Biased Cognition+
Gain 5 Focus. At the start of your turn, lose 1 Focus.
Builds that use Biased Cognition
Archetypes that draft this card in real runs, with the role it plays.
Keywords
Build context
See the Defect build hub for archetypes that feature this card in real runs.
Related cards
Biased Cognition FAQ
- Should I upgrade Biased Cognition in Slay the Spire 2?
- Compare the upgraded text: Gain 5 Focus. At the start of your turn, lose 1 Focus.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
- What builds use Biased Cognition?
- Biased Cognition appears in 4 tracked builds: Storm Conductor (S-tier, core card), Permafrost Bastion (A-tier, flex pick), Umbral Engine (A-tier, core card), Machine Mind (B-tier, flex pick).
- What character uses Biased Cognition?
- Biased Cognition is tagged as a Defect card. See the Defect build hub for archetypes that care about it.
Patch history
SpireForge snapshots card text from Untapped exports dated 2026-03-17. When Mega Crit ships a balance patch, we re-run the scraper and refresh every affected URL—see /patches for the editorial log.