SLAY THE SPIRE / BOSSES

Donu and Deca

Act III paired boss where repeated buffs and attacks demand target priority.

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

What is Donu and Deca?

Act III paired boss where repeated buffs and attacks demand target priority.

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

Focus one target early and bring consistent area mitigation or burst.

COMMON MISTAKES

What to avoid

Spreading damage evenly keeps both threats alive longer.

CONTINUE ON VOLPEDIA

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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.