Should I upgrade Wisp in Slay the Spire 2?

Compare the upgraded text: Retain. Gain 1 Energy. Exhaust.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Wisp?

Wisp appears in 1 tracked build: Soul Harvest (B-tier, flex pick).

What character uses Wisp?

Wisp is tagged as a Necrobinder card. See the Necrobinder build hub for archetypes that care about it.

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

Wisp

Necrobinder · Skill · Common · 0 cost

Base

Upgraded

Card text

Gain 1 Energy. Exhaust.

Wisp+

Retain. Gain 1 Energy. Exhaust.

Builds that use Wisp

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

BSoul HarvestNecrobinder · Flex pick

Keywords

Exhaust Retain

Build context

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

Related cards

Wisp FAQ

Should I upgrade Wisp in Slay the Spire 2?: Compare the upgraded text: Retain. Gain 1 Energy. Exhaust.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Wisp?: Wisp appears in 1 tracked build: Soul Harvest (B-tier, flex pick).
What character uses Wisp?: Wisp is tagged as a Necrobinder card. See the Necrobinder 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.