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Armor vs Damage Reduction — Diablo 4 Guide

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Armor vs Damage Reduction in Diablo 4: what's the difference and which matters more?

Armor vs DR

Armor

Armor reduces physical damage only. Each point of armor reduces physical damage by a percentage.

Damage Reduction

Damage Reduction reduces all damage (physical + elemental). Sources: Fortify, Barrier, skill effects.

Calculation

Total DR = 1 - (1 - Armor DR) × (1 - Elemental DR) × (1 - Fortify)

Best Defensive Builds

  1. Druid Pulverize — high Fortify uptime
  2. Sorcerer Ice Shards — high Barrier uptime
  3. Spiritborn Thorns — reflect damage

Armor Stacking Priority

At endgame, armor caps out at ~10,000. After that, focus on Fortify and Barrier.