Should I upgrade Tremble in Slay the Spire 2?

Compare the upgraded text: Apply 3 Vulnerable.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Tremble?

Tremble appears in 1 tracked build: Cruel Hand of Reckoning (B-tier, flex pick).

What character uses Tremble?

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

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

Tremble

Ironclad · Skill · Common · 1 cost

Base

Upgraded

Card text

Apply 2 Vulnerable.

Tremble+

Apply 3 Vulnerable.

Builds that use Tremble

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

BCruel Hand of ReckoningIronclad · Flex pick

Keywords

Vulnerable

Build context

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

Related cards

Tremble FAQ

Should I upgrade Tremble in Slay the Spire 2?: Compare the upgraded text: Apply 3 Vulnerable.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Tremble?: Tremble appears in 1 tracked build: Cruel Hand of Reckoning (B-tier, flex pick).
What character uses Tremble?: Tremble is tagged as a Ironclad card. See the Ironclad 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.