Should I upgrade Fan of Knives in Slay the Spire 2?

Compare the upgraded text: Shivs now hit ALL enemies. Add 5 Shivs into your Hand.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Fan of Knives?

Fan of Knives appears in 1 tracked build: Thousand Cuts (A-tier, core card).

What character uses Fan of Knives?

Fan of Knives is tagged as a Silent card. See the Silent build hub for archetypes that care about it.

Updated for Data 2026-03-17Early Access — numbers may shift with patches.

Fan of Knives

Silent · Power · Rare · 2 cost

Base

Upgraded

Card text

Shivs now hit ALL enemies. Add 4 Shivs into your Hand.

Fan of Knives+

Shivs now hit ALL enemies. Add 5 Shivs into your Hand.

Builds that use Fan of Knives

Archetypes that draft this card in real runs, with the role it plays.

AThousand CutsSilent · Core card

Keywords

Shiv

Build context

See the Silent build hub for archetypes that feature this card in real runs.

Related cards

Fan of Knives FAQ

Should I upgrade Fan of Knives in Slay the Spire 2?: Compare the upgraded text: Shivs now hit ALL enemies. Add 5 Shivs into your Hand.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Fan of Knives?: Fan of Knives appears in 1 tracked build: Thousand Cuts (A-tier, core card).
What character uses Fan of Knives?: Fan of Knives is tagged as a Silent card. See the Silent 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.