SLAY THE SPIRE / RELICS

Fusion Hammer

Adds energy but stops smithing card upgrades at rests.

QUICK REFERENCESlay the Spire 1Reviewed 2026-10-28Reference / noindex
Original schematic Volpedia category artwork
OVERVIEW

What is Fusion Hammer?

Adds energy but stops smithing card upgrades at rests.

This reference covers gameplay decisions in the original Slay the Spire. Character-specific options and relic synergy can change how useful an item is, so consider your current deck, health, upcoming enemy and available resources before applying a strategy.

PRACTICAL STRATEGY

When and how to use it

Choose when major upgrades are already done or other upgrade sources exist.

COMMON MISTAKES

What to avoid

Under-upgraded core cards can become a long-term liability.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

ENEMIESSnecko

Act II foe whose confusion effect changes card costs.

RELICSAnchor

Provides Block on the first turn of combat.

RELICSBag of Preparation

Draws extra cards at the start of combat.

RELICSBlack Star

Elite enemies award an extra relic.

RELICSBurning Blood

Ironclad starting relic that recovers HP after battles.

RELICSCalipers

Preserves a portion of unspent Block between turns.

RELICSCoffee Dripper

Adds energy at the cost of resting at campfires.

Back to Relics

Independent Volpedia editorial resource, not affiliated with Mega Crit. Original game (Slay the Spire 1), reviewed 2026-10-28. Slay the Spire 2 has separate rules, cards and characters and is not included here. Category graphics are original conceptual illustrations, not game screenshots or actual card artwork. Detailed numerical card costs, damage, upgrade effects and drop percentages are omitted where not individually checked. Editorial verification records are stored separately from public articles.