Should I upgrade Glacier in Slay the Spire 2?

Compare the upgraded text: Gain 9 Block. Channel 2 Frost.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Glacier?

Glacier appears in 2 tracked builds: Permafrost Bastion (A-tier, hero card), Umbral Engine (A-tier, flex pick).

What character uses Glacier?

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

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

Glacier

Defect · Skill · Uncommon · 2 cost

Base

Upgraded

Card text

Gain 6 Block. Channel 2 Frost.

Glacier+

Gain 9 Block. Channel 2 Frost.

Builds that use Glacier

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

Keywords

Channel Frost

Build context

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

Related cards

Glacier FAQ

Should I upgrade Glacier in Slay the Spire 2?: Compare the upgraded text: Gain 9 Block. Channel 2 Frost.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Glacier?: Glacier appears in 2 tracked builds: Permafrost Bastion (A-tier, hero card), Umbral Engine (A-tier, flex pick).
What character uses Glacier?: Glacier 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.