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Breach
Minecraft · Enchantment

Breach

Mace armor-counter enchantment

Introduced in Java 1.20.5

Breach reduces the effectiveness of a target's armor when hit with a mace. Consider it when facing armored opponents; it does not reduce protection from Protection enchantments or the Resistance effect.

Max level4IncompatibleBane of Arthropods, Density, Impaling, Sharpness, Smite
Breach GUIDE

Understand Breach

Useful when…

  • Using a mace against targets with strong armor
  • Choosing an armor-focused mace enchantment for combat

How Breach changes armor

Breach reduces the target's armor effectiveness by 15 percentage points per level, up to 60 points at level IV. For example, if armor would reduce damage by 50%, Breach I makes that armor reduce the hit by 35%. In the supplied formula, weapon damage is multiplied by one minus the target's armor effectiveness after subtracting 15% per level, with the armor effectiveness floor at zero. It affects armor itself, not protection from enchantments or Resistance.

Breach – Minecraft Wiki ↗

Equipment and practical use

Breach applies to the mace only. Its value rises when the target relies on armor, so it is a focused choice for mace combat against armored players or mobs. It is less useful against targets with little or no armor, and the reduction does not bypass other damage reduction sources named above.

Breach – Minecraft Wiki ↗

Investment and alternatives

Breach has four levels, each adding another 15 percentage points of armor-effectiveness reduction. It is incompatible with Density, Smite, and Bane of Arthropods; it is also listed as incompatible with Sharpness and Impaling, although those pairings are unavailable on the relevant Survival weapon types. Choose it for its armor interaction rather than assuming it is a universal mace damage increase.

Breach – Minecraft Wiki ↗

Limitations and tradeoffs

  • Specializes in reducing armor's contribution to damage reduction.
  • Does not reduce Protection enchantment or Resistance effect mitigation.
  • Uses the mace's mutually exclusive damage-enchantment choice.

Common mistakes to avoid

  • Treating Breach as though it removes Protection enchantments or Resistance.
  • Applying the armor-reduction example to targets whose armor is not reducing damage.
  • Expecting to combine Breach with Density, Smite, or Bane of Arthropods in normal use.

Effects and reference details

Applicable equipment

Incompatible enchantments

Bane of Arthropods · Density · Impaling · Sharpness · Smite

References and version

Game data version: Java Edition 26.3

Breach — Minecraft Wiki ↗
Technical source data for verification

These machine-readable game records support the calculations and factual checks. The wiki references above are intended for reading.

Mojang game data ↗

Original data record ↗

Optional: calculate an upgrade or configurationOpen the calculator when you want a cost estimate or a compatibility check.
Java 26.3 · ANVIL PLANNER

Plan an item and its books

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Each button adds a fresh book and a desired enchantment. Edit actual book levels and history below; extra book enchantments can be ignored when the game permits.

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