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S2Spire 2 Guide
S2Spire 2 Guide

A patch-aware Slay the Spire 2 guide database for returning players who want tier lists, cards, relics, bosses, and build notes without forum digging.

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Card database

Knife Trap

Silent tempo card and small-action payoff

Knife Trap gives the card database a Silent-linked page for explaining when many small actions become tempo and when they become clutter.

Primary keyword: slay the spire 2 knife trapLow confidence
Tier stance

Good when action density has payoff

Risk

Can clutter hands without draw support

Draft note

Small-action cards are best when they shorten dangerous fights or trigger a payoff that is already present. Knife Trap-style picks need draw, energy, and enough defense to avoid turning the hand into several cute actions that do not solve the current enemy timer.

Slay the Spire 2 Silent knife trap footage used for card review
Silent tempo cards should be reviewed by the turn they solve, not only by final-deck action count.
  • Raise the card when the deck has payoff for many small actions.
  • Lower it when the hand already lacks block or card flow.
  • Use Silent pages to separate tempo from finished-engine spectacle.

Tempo versus clutter test

Knife Trap should be judged by whether the extra small actions change the current fight. It is tempo when the deck can convert many plays into damage, block, draw, or payoff before the enemy timer matters. It is clutter when those plays use hand space and energy without changing lethal, defense, or boss progress.

  • Tempo: the deck already has shiv density, card flow, or payoff that turns extra plays into a safer turn.
  • Clutter: the deck is missing block, draw, or scaling and only adds more small cards to manage.
  • Watch the next elite or boss before treating Knife Trap as a build-around.

Support checklist

A Knife Trap pick wants three support layers: enough small-card volume to trigger it, enough defense to survive while playing the turn, and enough boss-relevant damage that the payoff matters in longer fights. Missing any layer keeps the card in the conditional lane.

  • Small-card volume: shivs, cheap attacks, or card-flow turns that naturally play several cards.
  • Defense: block or mitigation that remains available during the payoff turn.
  • Boss damage: scaling or payoff that makes many small actions matter after hallway fights.

Boss caveat

Knife Trap can look excellent in hallway clips and still fail if the boss fight asks for larger damage, defense, or scaling. Before moving it up, confirm that the deck can turn small-action volume into boss progress rather than only clearing short fights.

Page Status

Version
Early Access
Updated
Jun 11, 2026
Category
Card - Silent
SilentTempoSmall Actions

Source Footage

1 linked videos

All

These videos are queued for transcript review, screenshot selection, source playback, and original guide writing. We use them as research material, then rewrite the advice in our own structure.

1Sources
1Stills
1Playable
1Screened
Card sourcescreened

Silent Shiv Build Guide

Silent Shiv Build Guide, Knife Trap is Insane! - Slay the Spire 2.mp4

Credit: Tenkiei on YouTube

  • Support the Knife Trap card page with Silent shiv combat footage.
  • Use small-card turns to test whether Knife Trap is tempo or clutter.
Watch videoOpen target page

Community Notes

Share run proof, matchup pressure, patch corrections, or exact video timestamps. Strong notes cite a patch, character, ascension, boss, or reward screen so they can become future page updates.

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Boss contextFight
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Start from

Related Pages

Silent

Silent rewards precise draw and discard planning. Returning players should watch for decks that look familiar but have different support density.

Slay the Spire 2 Silent Shiv Build

A Silent shiv-build guide focused on tempo, card volume, Knife Trap support, and boss-relevant damage.

Slay the Spire 2 Card Tier List

Patch-aware card rankings with character context, upgrade value, support density, and act pressure notes.

Slay the Spire 2 Best Builds

A build hub for Slay the Spire 2 that separates reliable build paths from high-roll combos and patch-sensitive experiments.

FAQ

Is Knife Trap a Silent build-around?

Treat it as a support or tempo card first. It becomes build-around material only after the payoff package is visible.

When should I take Knife Trap?

Take it when the deck already creates enough small-card volume and can defend while converting those actions into damage or payoff.

What support does Knife Trap need?

It needs shiv or cheap-card volume, reliable card flow, enough block during payoff turns, and a boss plan that makes many small actions matter.