Should I upgrade Hailstorm in Slay the Spire 2?

Compare the upgraded text: At the end of your turn, if you have Frost, deal 8 damage to ALL enemies.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Hailstorm?

Hailstorm appears in 1 tracked build: Permafrost Bastion (A-tier, core card).

What character uses Hailstorm?

Hailstorm 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.

Hailstorm

Defect · Power · Uncommon · 1 cost

Base

Upgraded

Card text

At the end of your turn, if you have Frost, deal 6 damage to ALL enemies.

Hailstorm+

At the end of your turn, if you have Frost, deal 8 damage to ALL enemies.

Builds that use Hailstorm

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

APermafrost BastionDefect · Core card

Keywords

Frost

Build context

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

Related cards

Hailstorm FAQ

Should I upgrade Hailstorm in Slay the Spire 2?: Compare the upgraded text: At the end of your turn, if you have Frost, deal 8 damage to ALL enemies.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Hailstorm?: Hailstorm appears in 1 tracked build: Permafrost Bastion (A-tier, core card).
What character uses Hailstorm?: Hailstorm 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.