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Furnace — Regent Card Guide (Slay the Spire 2)

Furnace is a 1-cost Uncommon Power for the Regent in Slay the Spire 2. Effect, upgrade, C-tier verdict and deck fit.

Official art
StS2_Regent-Furnace.png

PowerUncommonRegentC-Tier

Furnace is a 1-cost Uncommon Power for the Regent in Slay the Spire 2.

1Energy Cost

PowerType

UncommonRarity

RegentCharacter

EFFECT · Numbers read as base (upgraded)At the start of your turn, 5 (upgraded 7).

Tier Verdict

C-Tier C tier — situational; often a trap without a specific plan.

Similar Cards

Official art soonOrbitUncommon · 2 cost Official art soonRoyaltiesRare · 1 cost Official art soonTyrannyRare · 1 cost Official art soonBlack HoleUncommon · 1 cost

Quick Facts

NameFurnace

Cost1

TypePower

RarityUncommon

CharacterRegent

Community TierC

Data Sources

Effect data: slaythespire.wiki.gg (official wiki) · Tier: September 2026 community card table

Related Guides

Alignment — Regent Card Guide (Slay the Spire 2)Arsenal — Regent Card Guide (Slay the Spire 2)Astral Pulse — Regent Card Guide (Slay the Spire 2)Beat into Shape — Regent Card Guide (Slay the Spire 2)BEGONE! — Regent Card Guide (Slay the Spire 2)Big Bang — Regent Card Guide (Slay the Spire 2)Black Hole — Regent Card Guide (Slay the Spire 2)Bombardment — Regent Card Guide (Slay the Spire 2)