Adamantine Armor

Major, uncommon

This suit of armor is reinforced with adamantine, one of the hardest substances in existence. While you’re wearing it, any critical hit against you becomes a normal hit.

Variants:

Adamantine Breastplate

  • Armor Class: 14 + Dex modifier (max of +2)
  • Weight: 20.0 lbs.

Adamantine Chain Mail

  • Armor Class: 16
  • Strength: Requires 13 STR.
  • Stealth: The wearer has disadvantage on Stealth (DEX) checks.
  • Weight: 55.0 lbs.

Adamantine Chain Shirt

  • Armor Class: 13 + Dex modifier (max of +2)
  • Weight: 20.0 lbs.

Adamantine Half Plate Armor

  • Armor Class: 15 + Dex modifier (max of +2)
  • Stealth: The wearer has disadvantage on Stealth (DEX) checks.
  • Weight: 40.0 lbs.

Adamantine Plate Armor

  • Armor Class: 18
  • Strength: Requires 15 STR.
  • Stealth: The wearer has disadvantage on Stealth (DEX) checks.
  • Weight: 65.0 lbs.

Adamantine Ring Mail

  • Armor Class: 14
  • Stealth: The wearer has disadvantage on Stealth (DEX) checks.
  • Weight: 40.0 lbs.

Adamantine Scale Mail

  • Armor Class: 14 + Dex modifier (max of +2)
  • Stealth: The wearer has disadvantage on Stealth (DEX) checks.
  • Weight: 45.0 lbs.

Adamantine Spiked Armor

  • Armor Class: 14 + Dex modifier (max of +2)
  • Stealth: The wearer has disadvantage on Stealth (DEX) checks.
  • Weight: 45.0 lbs.

Adamantine Splint Armor

  • Armor Class: 17
  • Strength: Requires 15 STR.
  • Stealth: The wearer has disadvantage on Stealth (DEX) checks.
  • Weight: 60.0 lbs.

Source: Dungeon Master’s Guide p. 150. Available in the SRD