The Silent
The Silent is one of three returning characters in Slay the Spire 2. She’s built around three core archetypes: stacking Poison to kill enemies over time, flooding the board with free Shiv attacks, or leaning into discard payoffs with Sly.
What's Changed in Slay the Spire 2
The most meaningful addition in Slay the Spire 2 is the Sly keyword, which turns discarding cards into a key payoff. This makes cards like Reflex and Tactician even stronger than they were in the original game. The Weak keyword also grew in relevance thanks to cards like Tracking.
Understanding the Silent
Silent is a very strong character with some of the best defensive and consistency options in the game. Her damage package is where she can falter. The tools covered in this guide, whether that is Shivs for immediate damage, Poison for consistent pressure, or Sly for efficiency and output, are not mutually exclusive.
The best Silent runs will often combine elements of all three alongside other, smaller synergy packages, using whichever cards your rewards offer to solve the problems your deck still has.
Strong Commons to Pick With the Silent
Frontload
Leading Strike, Poisoned Stab, and Blade Dance all deal over 10 damage for 1 Energy, making them strong early pickups regardless of your eventual direction. Slice is a useful 0-cost attack. Dagger Throw is also a nice card early, as it deals a respectable amount of damage while also serving as a Sly enabler. Having some Poison to increase your total damage output is often necessary as enemy health pools grow.
Defensive
Deflect blocks for 0 Energy, making it an efficient way to get value out of your increased hand size. Backflip smooths out your draws by replacing itself with 2 cards. Dodge and Roll provides consistent Block that improves naturally if you find sources of Dexterity later. Piercing Wail is invaluable against enemies with multi-hit patterns, or combats with multiple enemies. Cloak and Dagger and Untouchable are decent on their own and can offer you directional signals to synergy packages.
Utility
Prepared is the best common Sly enabler. It discards and draws for free, making it easy to activate Sly cards without spending Energy. It is critical to upgrade this card, and it works better the more draw your deck has, so keep that in mind when evaluating it as an early pickup.
Strong Uncommons to Pick With the Silent
Damage Sources
Flechettes and Pinpoint both capitalize on Silent having a lot of Skills in her deck. Pinpoint lets you deal damage and gain Block in the same turn without spending Energy on the attack. Flechettes combines naturally with the extra cards 
Ring of the Snake puts in your hand.
Precise Cut and Backstab also contribute here as 0-Energy attacks. Strangle and Finisher both scale with how many cards you can play in a turn, making them better the more efficient and synergistic your deck becomes. Predator and Dash are worth considering if you are desperate for more damage output early, but they fall off as the run develops.
For a Poison package, consider Bouncing Flask and Bubble Bubble.
Defensive
Silent scales exceptionally well with Dexterity, given how many cheap and premium block cards she has access to alongside the extra Defend in her starting deck. This makes Footwork almost always worth picking up. Leg Sweep is amazing, as Weak is one of the most impactful keywords in the game, and having a card that blocks alongside applying it is great early in your run.
Utility
Well-Laid Plans is one of the best consistency cards in the game. Calculated Gamble, Acrobatics, Reflex, and Tactician are the core Discard cards that give Silent more draw and Energy to work with, making your turns more consistent and giving you more output each cycle with your Sly synergies.
Exclusive Silent Relics
There are three exclusive Silent potions in Slay the Spire 2, a batch of three upgraded Shivs, more Poison support, and one free turn where enemies can only deal 1 HP of damage at a time to you.
Exclusive Silent Potions
There are three exclusive Silent potions: a free Shiv upgrade, more Poison support, and one free turn where enemies can only deal 1 HP of damage at a time to you.
Detailed Build Directions for the Silent
The Silent’s starting Relic, Ring of the Snake, draws 2 additional cards on the first turn of every combat. Her two unique starter cards, Neutralize and Survivor, are defensive tools. The character excels at mitigating damage in the early fights, but her starting deck has very little damage output, so finding meaningful damage is your early priority in Act 1.
Silent has three primary synergistic card packages: Shiv, Poison, and Sly. Each solves different problems. Shiv cards give you a source of frontloaded damage that scales with investment. Poison gives you a damage solution that grows over longer fights without requiring Energy spend each turn. Sly cards give you consistency and efficiency in draw and resource use.
These card packages naturally overlap, and the best runs often combine elements of multiple ones rather than exclusively leaning into one of them. Recognizing the use cases of your early card reward offers and the specific problems your deck still needs to solve will guide you toward the right combination more reliably than committing to a single direction from the start.
Shiv Builds
Shivs are 0-Energy Attack cards. At base, they only deal 4 damage each, but Accuracy significantly improves them, especially when upgraded. This makes Shivs a reliable frontload damage solution. If you find yourself without a clear primary damage source early and are offered an Accuracy, strongly consider committing to Shivs. Leading Strike is one of the best early cards for this package, generating a Shiv alongside its base damage, making it a useful pick regardless of whether you are already committed or just keeping your options open.
The other Shiv generators are more situational. Cloak and Dagger is fine without being exciting. Blade Dance exhausts on play, which can lead to situations where you hold it on the first cycle to get more value out of your payoff cards before using it. Hidden Daggers generates 2 Shivs for 0 Energy, which is strong but requires discarding 2 cards. This is usually not a problem as the last card you play in a turn, but it’s something to be mindful of when Well-Laid Plans or Finisher is involved.
As you develop the package further, the recently reworked Blade of Inkis a great card, generating Shivs that apply Weak, extending the value of each hit beyond raw damage. Fan of Knives generates 4 Shivs and makes all Shivs hit all enemies: this is a meaningful upgrade in multi-enemy fights. Knife Trap is a strong finisher. Infinite Blades gives you a Shiv each turn and is acceptable if you need more generation, but it is a slower contribution compared to the other options here. Shadow Step also offers strong synergies here, as well as “whenever you play a card” cards like Afterimage, Serpent Form, or Strangle.
You can read more about the build here: The Silent’s Shiv Mechanic: How to Make a Returning Favorite Work
Sly Builds
Sly and Discard cards are the Silent's consistency package, primarily helping her draw more cards and get more output from each turn. Even without leaning into Sly payoffs, cards like an upgraded Prepared, Acrobatics, Calculated Gamble, and Tools of the Trade help you cycle through your deck faster and see your strongest cards more consistently. Adding Sly on top of that (playing those same cards for free when discarded) turns your consistency tools into your most powerful cards.
The primary Sly payoffs are Reflex, Tactician, and Untouchable. Flick-Flack, Ricochet, and Haze can also contribute small amounts of damage as Sly cards without requiring archetype-level commitment.
Things get really powerful once you start applying Sly to cards that were not designed for it. Hand Trick is a flexible tool you can use situationally to get a free play at the right moment. Then, with Master Planner in play (provided you can do so, as it is a very slow card) your Block cards, draw cards, and Poison applicators all become free when discarded, which is where Silent starts doing things that feel genuinely broken.
The high volume of draw that this package generates also makes cards like Pinpoint and Grand Finale strong picks.
Poison Builds
Poison is the most iconic build for the class, and it remains fully intact with even more flexibility. It deals its primary damage through Bouncing Flask, Noxious Fumes, and Bubble Bubble, with Accelerant really speeding things up. Unlike Shivs, which give you immediate frontloaded damage, Poison works best in longer fights where it has time to accumulate.
Poison does not have a strong early directional signal card in the way Accuracy points you toward Shivs, but keep an eye out for 
Snecko Skull. Having one of the common Poison cards is not enough on its own to lean toward committing to it as a primary damage source. The cards that define the package are Bouncing Flask and Bubble Bubble. Combined with the draw packages covered in the Sly section, Noxious Fumes and Corrosive Wave can mean a significant burst of Poison applied in a single turn rather than building it slowly over multiple cycles.
The main weakness of relying on Poison as your primary damage source is enemies that scale their damage quickly. Fights like Devoted Sculptor and the first stage of Test Subject will outpace your ability to block before Poison finishes them off, meaning you need a higher damage output than what Poison alone can provide in those situations. You should chiefly treat it as supplementary damage rather than your sole answer in combat, except if you have the aforementioned Accelerant.