Should I upgrade Havoc in Slay the Spire 2?

Compare the upgraded text: Cost changes from 1 to 0. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Havoc?

Havoc appears in 1 tracked build: Ashen Reaper of the Pyre (A-tier, flex pick).

What character uses Havoc?

Havoc 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.

Havoc

Ironclad · Skill · Common · 1 cost

Base

Upgraded

Card text

Play the top card of your Draw Pile and Exhaust it.

Havoc+

Cost changes from 1 to 0

Builds that use Havoc

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

AAshen Reaper of the PyreIronclad · Flex pick

Keywords

Exhaust

Build context

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

Related cards

Havoc FAQ

Should I upgrade Havoc in Slay the Spire 2?: Compare the upgraded text: Cost changes from 1 to 0. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Havoc?: Havoc appears in 1 tracked build: Ashen Reaper of the Pyre (A-tier, flex pick).
What character uses Havoc?: Havoc 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.