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Slay the Spire 2 Guide
Builds, Cards, Relics, Routes, Bosses
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Home › Beginner's Guide

Beginner's Guide ◈

Master the Spire from Zero

In the Spire, death is not the end — it is how you learn. This guide covers the core mechanics and survival skills that carry you ever higher.

Four-Step Roadmap
01
Core Mechanics

Core Mechanics

Learn the basic systems — resources, cards, relics — and the core rules.

02
Combat Flow

Combat Flow

Master combat phases, turn order and enemy mechanics.

03
Deck Building

Deck Building

Learn card categories, synergies and the art of keeping decks lean.

04
Pathing

Pathing

Understand map events, node types and optimal path planning.

Card Types & Rarities
Card Types (by function)
Attack
Attack
Your main source of damage — the offensive core of most decks.
Skill
Skill
Block, draw and debuffs — the defensive and utility backbone.
Power
Power
Stays in effect for the whole combat once played — defines your scaling.
Affliction
Affliction
Replaces Curses: debuffs attached to your existing cards; cannot be shop-removed.
Rarities (low to high)
Basic
Starter-deck cards, never offered as rewards — usually the first removals.
Common
The most common rewards — the backbone of any deck.
Uncommon
Stronger, more specialized effects — often key archetype pieces.
Rare
Scarce but powerful — a single rare can define a run.
Tip: the top-left number is a card's energy cost; rarer cards show up less often as rewards. Skipping a card that doesn't serve your build is always a valid choice.
Common Mistakes (What to Avoid)
  • Taking every card — it dilutes your deck. Skipping card rewards is often correct.
  • Never removing cards — removing a starter Strike/Defend is usually the best gold sink.
  • Only resting at campfires — HP is a resource; upgrading a key card often outvalues healing.
  • Hoarding potions for the boss — you only have 3 slots; use them to save real HP.
  • Dodging every elite — elites drop relics; skipping them all leaves you underpowered.
  • Ignoring enemy intents — everything is telegraphed; bosses run fixed turn loops.
  • Playing like it's StS1 — no boss relics, no permanent Focus, no Dead Branch. Old instincts mislead.
  • Mixing Star and Forge cards on Regent — they dilute each other; commit to one.
Choose carefully — every decision shapes your survival: paths, card rewards and campfires are all resource-allocation problems.
Recommended First-Win Build Details ›
S The Ironclad · Strength Scaling Strength · Vulnerable · Burst

Why The Ironclad: 80 starting HP and Burning Blood: heal 6 HP after each combat — the most forgiving pick in the roster.

Demon Form + Limit Break (double Strength, no cap) remains the most consistent climb. New card Hellraiser auto-plays every Strike you draw for free — a semi-automatic Strike engine.

Core combo：Demon Form + Limit Break + Vulnerable package
Key Early Cards (pick first)
Bash 2
Bash
Attack · Basic
Deal damage and apply Vulnerable (+50% attack damage taken). The opener of Ironclad's Vulnerable engine.
Anger 0
Anger
Attack · Common
0-cost attack, one of the best early commons — fills out your 5-card hand for free.
Pommel Strike 1
Pommel Strike
Attack · Common
Damage plus draw; upgraded it draws twice. Core lubricant of the Strike engine.
Body Slam 1
Body Slam
Attack · Uncommon
Deal damage equal to your Block. Upgraded to 0 cost — the Block deck finisher.
Strength Scaling means "stack Strength early, cash in with Vulnerable": open with Bash to apply Vulnerable, then let cheap attacks multiply every point of Strength.
Glossary
Term Description
Vulnerable Target takes +50% attack damage; a full archetype in StS2.
Weak Target deals -25% attack damage; best-value mitigation.
Exhaust Removed from your deck for the combat when played.
Sly New StS2 keyword: plays for free when discarded.
Doom Stacking debuff; at turn end, enemies with Doom ≥ max HP are executed.
Stars Regent's second resource — persists between turns, no cap.
Forge Permanently empowers the Regent's Sovereign Blade.
Affliction Replaces Curses: debuffs attached to your existing cards; cannot be shop-removed.
Enchantment Permanent in-run card modifications (e.g. +50% damage, lose 3 HP when played).
Ancients Replace boss relics: NPCs met at act start who offer Blessings.
Intangible All damage taken reduced to 1 — defend, don't attack.
Ascension Escalating difficulty modifiers unlocked after wins; A20 is the full challenge.
Vigor Adds its value to your next Attack's damage, then expires.
Beckon Soul Fysh's status card: costs 1, and you take 6 unblockable damage if left unplayed.
Ringing Ceremonial Beast's phase-two debuff: you may only play 1 card per turn.
Osty The Necrobinder's summoned skeletal hand — attacks on command and body-blocks for the team.
Quest Cards Objective-style cards tied to newer Neow relics (v0.109); exact mechanics are still being documented by the community.
Summon Necrobinder keyword: adds or restores HP for Osty.
Beginner FAQ
Which character should beginners start with?
Ironclad: 80 HP plus Burning Blood healing gives the most room for error while teaching Strength, Vulnerable, Exhaust and Block. Then branch out: Silent → Necrobinder → Defect → Regent.
Should I take every card reward?
No. A small, focused deck is always stronger. Only take cards serving your build and skip the rest; removing cards at shops matters more than buying them.
How many elites should I fight in Act 1?
There's no fixed formula anymore. Rule of thumb: fight elites once you have 1–2 answers and a rest site before them — elite relics can define your whole run.
Rest or upgrade at campfires?
HP is a resource — anything above 1 is "spare". If the next fight won't kill you, upgrade a key card (e.g. Defragment doubles when upgraded).
How different is co-op from solo?
2–4 players, Steam friends only, no matchmaking. Boss HP scales ×1.75/2.5/3.25 while damage stays flat, so support, debuffs and percent-based executes (Necrobinder, the only S+) skyrocket. Learn solo first.
What changed most from StS1?
4-player co-op; Ancient blessings replace boss relics; Afflictions (attached to your cards) replace Curses; new Enchantments, Quest cards and alternate acts; Defect loses permanent Focus; rebuilt in Godot. Many StS1 instincts need rewiring.
When is the Watcher coming?
Confirmed for Early Access with no date (community guesses mid-to-late 2026). The roadmap also includes Acts 2b/3b, new modes and the true story ending at 1.0.
When should I use my potions?
Don't hoard — you only have 3 slots. Block/Weak/Vulnerable potions belong to telegraphed big-hit turns and boss openers; Strength Potion and Blessing of the Forge want turn one; Duplicator and Liquid Memories wait for your finisher or key Power; hold Fairy in a Bottle purely as insurance against elites and bosses.
Is there a rule of thumb for event choices?
Community consensus ranks: targeted card removal/transform > relics > Max HP > gold, and gold-for-curse trades are usually bad. Pick whatever your deck lacks — removal when bloated, Max HP when fragile — and watch for scripted traps like Wongo's "refuse" option, which downgrades one of your cards.
What's coming on the road to 1.0?
The Watcher is confirmed for Early Access (no date), with alternate acts 2b/3b, new modes and the true story ending planned for 1.0. The team has also announced a longer gap after the August beta patch as they shift toward larger content drops.