Antewise

Red Skull — Ironclad Relic in Slay the Spire 2

Updated 17 Oct 2026 Source Slay the Spire 2 relic data (spire-codex.com API), 296 relics 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.
Red Skull relic art
Red Skull

While your HP is at or below 50%, you have 3 additional Strength.

PoolIronclad
RarityCommon Relic
TriggerWhile your HP is at or below 50%
Price175 Gold at base, 149–201 across shop price modifiers

What it does

While your HP is at or below 50%, you have 3 additional Strength.

Relic data comes from the community-built Slay the Spire 2 compendium API and tracks the early-access build. Treat exact numbers as community-verified; the game is still in early access and values shift between patches.

Other Ironclad relics

  • Black Blood — At the end of combat, heal 12 HP.
  • Burning Blood — At the end of combat, heal 6 HP.
  • Paper Phrog — Enemies with Vulnerable take 75% more damage rather than 50%.
  • Self-Forming Clay — Whenever you lose HP in combat, gain 3 Block next turn.
  • Charon's Ashes — Whenever you Exhaust a card, deal 3 damage to ALL enemies.
  • Demon Tongue — The first time you lose HP on your turn, heal HP equal to the amount lost.
  • Ruined Helmet — The first time you gain Strength each combat, double the amount gained.
  • Brimstone — At the start of your turn, gain 2 Strength and ALL enemies gain 1 Strength.

Other Common Relic relics

Where to go next

All 296 relics — the full filterable list. Rarity system explains how often each tier appears.

Card database covers the cards that pair with this relic. Characters shows which run can find it.

Frequently asked questions

What does Red Skull do in Slay the Spire 2?

While your HP is at or below 50%, you have 3 additional Strength.

Which pool is Red Skull in?

It belongs to the Ironclad pool and is Common Relic.

How much does Red Skull cost?

175 Gold at base, 149–201 across shop price modifiers

When does Red Skull trigger?

While your HP is at or below 50%.

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.