SLAY THE SPIRE / PROGRESSION

First Victory

Defeating the Act III boss ends a standard successful run before optional Act IV.

QUICK REFERENCESlay the Spire 1Reviewed 2026-10-28Reference / noindex

OVERVIEW

What is First Victory?

Defeating the Act III boss ends a standard successful run before optional Act IV.

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

Use early wins to learn enemy patterns and unlock systems.

COMMON MISTAKES

What to avoid

Do not equate a first victory with mastering high Ascension.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

PROGRESSIONCorrupt Heart Victory

Optional endgame objective for capable decks that collect the three keys.

Provides Block on the first turn of combat.

ASCENSIONAscension 1

First Ascension tier with more elites on routes.

Duplicates the first card played each turn, enabling extreme value over long battles.

PROGRESSIONAct IV Unlock

Requires prior achievements with the core original characters before key collection becomes available.

PROGRESSIONAscension Ladder

Rising difficulty levels increase challenges one step after another.

PROGRESSIONCard Unlocks

Character progress awards additional cards and relics in later runs.

Back to Progression

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.