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Demon Form — Ironclad Power Card in Slay the Spire 2

Updated 17 Oct 2026 Source Slay the Spire 2 card data (spire-codex.com API), 577 cards retrieved 17 October 2026 By
Data status: The facts on this page were checked against the source named above. Game values can still shift with a patch, so re-check anything that looks off.
Demon Form card art
Demon Form

At the start of your turn, gain 2 Strength.

CharacterIronclad
TypePower
RarityRare
Cost3 Energy
TargetSelf

Card text

At the start of your turn, gain 2 Strength.

Upgraded: At the start of your turn, gain 3 Strength.

What it applies

  • Strength × 2

Other Ironclad cards at 3 Energy

  • Barricade — Block is not removed at the start of your turn.
  • Bludgeon — Deal 32 damage.
  • Corruption — Skills cost 0 1 Energy. Whenever you play a Skill, Exhaust it.
  • Howl from Beyond — Deal 16 damage to ALL enemies. At the end of your turn, if this is in your Exhaust Pile, p
  • Mangle — Deal 15 damage. Enemy loses 10 Strength this turn.
  • Stomp — Deal 12 damage to ALL enemies. Costs 1 less 1 Energy for each Attack played this turn.

Where to go next

All 577 cards — the full table, filterable by character. Efficiency tier list — every measurable card ranked.

Rarity system explains how often this card appears. Enchantments covers the modifiers that can change it.

Frequently asked questions

What does Demon Form do in Slay the Spire 2?

At the start of your turn, gain 2 Strength.

What does upgrading Demon Form change?

At the start of your turn, gain 3 Strength.

How much does Demon Form cost?

3 Energy. It is a Rare Power card.

More Slay the Spire 2 guides

Sources

Figures and item data on this site are read from the game’s own reference wiki before publishing. Where a value could not be confirmed there, the page says so instead of filling the gap.