Should I upgrade Juggernaut in Slay the Spire 2?

Compare the upgraded text: Whenever you gain Block, deal 7 damage to a random enemy.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.

What builds use Juggernaut?

Juggernaut appears in 1 tracked build: Barricade Iron Bastion (A-tier, core card).

What character uses Juggernaut?

Juggernaut 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.

Juggernaut

Ironclad · Power · Rare · 2 cost

Base

Upgraded

Card text

Whenever you gain Block, deal 5 damage to a random enemy.

Juggernaut+

Whenever you gain Block, deal 7 damage to a random enemy.

Builds that use Juggernaut

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

ABarricade Iron BastionIronclad · Core card

Build context

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

Related cards

Juggernaut FAQ

Should I upgrade Juggernaut in Slay the Spire 2?: Compare the upgraded text: Whenever you gain Block, deal 7 damage to a random enemy.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Juggernaut?: Juggernaut appears in 1 tracked build: Barricade Iron Bastion (A-tier, core card).
What character uses Juggernaut?: Juggernaut 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.