Slay the Spire 2 Ironclad Block Build

Quick answer

Ironclad block-build pages should explain when block is a win condition and when the deck still needs plain damage.

What to check first

Use this page as a practical search-intent answer first, then follow the related database links for deeper card, relic, character, boss, and patch context.

• Take enough early attacks before committing to slow block payoff.
• Upgrade the card that changes the next elite or boss turn.
• Treat block scaling as offense only after the deck can survive setup.

Block is not automatically scaling

A block build works only when the deck can convert defensive turns into progress. If the deck blocks well but never ends the danger window, elites and bosses still punish it. The first check is whether the run has enough front-loaded damage to buy time for the block package.

• Keep a damage floor before adding more defensive synergy.
• Ask whether the next boss rewards longer fights or punishes them.
• Use relic and route context before calling the build reliable.

When the build becomes real

The build becomes more than a pile of block cards when it has payoff, draw, and matchup coverage. Video review should capture the first fight where blocking changes the result, not only the finished turn where the deck looks solved.

• Track the first fight where block protects an upgrade or elite path.
• Mark expensive attacks and block payoff cards as support-dependent.
• Link weak damage floors back into Ironclad build fundamentals.

Editorial note

This page is part of the first English-only content batch. It is written conservatively for Early Access and should be tightened whenever a major patch changes public information or run data.