Silent
Slay the Spire 2 Silent guide with builds, cards, and strategy.
"A huntress from outside the Spire. Ready to stab and poison anything in her way."
A huntress from outside the Spire. Ready to stab and poison anything in her way.
Quick Answer
Silent is Slay the Spire 2 Silent is a fast, high-scaling character built around Poison, Shiv tempo, and card draw control, with 70 HP and a unique card pool of 88 cards.
Starting Relic
At the start of each combat, draw 2 additional cards. Can be replaced by Ring of the Drake.
Strengths & Weaknesses
✦ Strengths
- Fast playstyle — plays multiple cards per turn
- High skill ceiling rewards mastery
- Great late-game scaling with Poison and Shivs
- New Sly mechanic enables explosive free-card turns
✧ Weaknesses
- Tricky to grasp for beginners
- No healing or health recovery options
- Low up-front damage in early game
- Requires deck thinning to cycle consistently
Recommended Builds
Shiv Burst
Generate waves of Shivs, boost their damage with Accuracy (+4 per Shiv), and unleash Knife Trap to play your entire Exhaust pile worth of Shivs in one explosive turn. Infinite Blades guarantees one Shiv per turn, while Afterimage provides passive Block with every card played — critical for surviving setup turns. Finisher deals bonus damage based on Attacks already played, making it a natural complement after a Shiv barrage.
Power 
Skill 
Power 
Power 
Skill 
At the start of each combat, add 3 Shivs into your Hand.
Every time you play 3 Attacks in a single turn, gain 1 Strength.
Every time you play 3 Attacks in a single turn, gain 1 Dexterity.
Every time you play 10 Attacks, gain .
Whenever you play a Shiv, gain 1 Dexterity this turn.
Poison Control
Stack Poison through Noxious Fumes and Deadly Poison, then amplify it with Accelerant for burst kills. Poisoned Stab provides efficient early damage (6 damage + 3 Poison for 1 Energy), while Bubble Bubble doubles existing Poison stacks. Burst copies Poison Skills for massive application turns. The key is surviving the first few turns while your Poison ramps — defensive cards and debuffs are essential early picks.
Power 
Skill 
Power 
Skill 
Skill 
Whenever you apply Poison, apply an additional 1 Poison.
Each combat, the first time you play a card that Debuffs an enemy, double its effect.
At the start of each combat, apply 4 Poison to ALL enemies.
Start each combat with 10 Block.
At the start of your 3rd turn, gain 18 Block.
Sly Discard Tempo
Leverage the new Sly keyword to play cards for free through discard triggers. Untouchable provides Block when discarded, Tactician refunds Energy, and Flick-Flack deals damage — all without spending any resources. Tools of the Trade gives a free discard each turn. Master Planner makes all non-Sly Skills gain Sly. Keep the deck thin and cycle with Acrobatics and Prepared to hit your Sly cards consistently.
Power 
Skill Gain .
Skill 
Skill 
Power 
Whenever you discard a card during your turn, deal 3 damage to a random enemy for each card discarded.
Whenever you discard a card during your turn, gain 3 Block.
Whenever you shuffle your Draw Pile, gain 6 Block.
Every time you play 3 Attacks in a single turn, deal 6 damage to a random enemy.
Gameplay Guide
Core Mechanics
Poison Scaling
Poison is Silent's signature sustained damage tool in Slay the Spire 2. Each stack deals damage at the start of the enemy's turn and then decreases by one. Noxious Fumes applies 2-3 Poison to all enemies every turn passively, while Deadly Poison and Corrosive Wave stack Poison rapidly. The key advantage: Poison bypasses defensive gimmicks like Plating and Hardened Shell, making it ideal against enemies that block conventional damage.
Shiv Engine
Shivs are 0-cost Attack cards that deal 4 base damage and Exhaust after use. Silent can generate massive quantities through Blade Dance, Up My Sleeve, Infinite Blades, and Hidden Daggers. The real power comes from scaling: Accuracy adds +4 damage per Shiv, Phantom Blades makes Shivs hit all enemies, and Knife Trap plays every Shiv from your Exhaust pile — often dealing 100+ damage in a single card. Shiv builds turn Silent into a machine gun.
Sly Keyword (New in STS2)
The Sly keyword is Silent's most revolutionary addition in Slay the Spire 2. Cards with Sly can either be played normally for their Energy cost, or discarded to trigger their effect automatically for free. This transforms discard effects from a cost into a trigger, enabling zero-energy plays even when resources are tight. Master Planner grants Sly to every Skill in your hand, allowing an entire hand of utility cards to fire through a single mass-discard.
Hand Management & Retain
Silent excels at controlling what she draws and when. Well-Laid Plans lets you Retain a card for next turn, Backflip and Escape Plan offer Block plus card draw at low cost, and Acrobatics provides efficient cycling. Good Silent play is about engineering the perfect hand — not just drawing more cards, but drawing the right cards at the right time.
Key Changes from STS1
The Sly keyword is entirely new to Slay the Spire 2 and fundamentally changes how Silent's discard package operates. Cards are no longer just discarded for filtering — they fire their effects for free. Shiv builds now have an Exhaust dimension: Blade Dance exhausts, feeding Knife Trap's massive finisher. Phantom Blades (new) makes Shivs hit all enemies and grants bonus damage on the first Shiv each turn. Poison received targeted additions like Accelerant (triggers Poison additional times) and Bubble Bubble (bonus damage to already-poisoned enemies), adding burst potential to what was previously a purely attrition-based strategy.
Pro Tips
Ring of the Snake draws 2 extra cards on Turn 1 of every combat. Use this opening advantage to play aggressively or set up key Power cards before the enemy starts scaling.
Don't split between Poison and Shivs unless you have a specific bridge card like Hidden Daggers. Pick one lane and commit — a half-built Poison deck with half-built Shiv support beats nothing.
Discard is not a cost with Sly cards — it is a trigger. Reframe how you think about discard effects. Every discard-based card becomes dramatically better when Sly is active.
Silent's defense is weaker than Ironclad's. Respect this by drafting Block cards early. A dead Silent can't Poison anything.
Upgrade Knife Trap as a priority if you're running Shivs. The upgrade makes it play upgraded Shivs, nearly doubling its total damage output.
Mistakes to Avoid
Ignoring defense in Act 1 because you're excited about a Shiv or Poison package. Silent has 70 HP — she cannot afford to take big hits while assembling her engine.
Taking too many expensive cards. Silent thrives on 0-cost and 1-cost cards that keep the deck flowing. A hand of 2-cost cards is a wasted turn.
Hoarding Shivs without a payoff. Generating Shivs without Accuracy, Phantom Blades, or Knife Trap means you're doing 4 damage per card — barely better than a Strike.
Forgetting to thin the deck. Remove Strikes aggressively. Silent's card draw is her strength, but drawing bad cards wastes that advantage.
Playing Knife Trap too early in a fight before enough Shivs have been Exhausted. Wait until the pile is loaded, then fire.
Co-op Multiplayer Role
In co-op, Silent acts as a debuff specialist and burst damage dealer. Apply Poison and Weak to enemies to reduce incoming damage for both players, while your partner handles direct tanking. Shiv builds provide excellent burst damage when the team needs to focus down a dangerous enemy quickly. Silent pairs especially well with Ironclad (who tanks while Silent ramps) or Necrobinder (double debuff stacking for devastating control).
Video Guide
The STRONGEST DECK In Slay The Spire 2 - The Silent Guide
Silent Database
Frequently Asked Questions
How do I unlock Silent in Slay the Spire 2?
Play one run as the Ironclad (win or lose). Silent unlocks automatically after your first Ironclad run completes.
What is the best Silent build in Slay the Spire 2?
Shiv builds with Knife Trap have the highest damage ceiling, capable of one-shotting bosses. Poison builds are more consistent for newer players. The Sly Discard build is the newest and most unique to STS2.
Is Poison or Shiv better for Silent?
Both are viable. Poison is more consistent and low-maintenance — set up Noxious Fumes and survive. Shivs have a higher burst ceiling but need more pieces (Accuracy, Knife Trap) to function. Choose based on what cards the run offers you.
What does the Sly keyword do in Slay the Spire 2?
Sly cards can be discarded to trigger their effect for free instead of being played for Energy. This turns discard effects into powerful triggers and enables zero-cost plays.
What is the Silent starting relic?
Ring of the Snake, which draws 2 additional cards at the start of each combat. This gives Silent a powerful opening hand advantage in every fight.
How many cards does Silent have in Slay the Spire 2?
Silent has a large card pool focused on Poison, Shivs, discard synergies, and defensive tools. Check our full card database for the complete list with filters.
