# Adamantine Armor *Uncommon* This suit of armor is reinforced with adamantine, one of the hardest substances in existence. While you're wearing it, any [Critical Hit](3-Mechanics/CLI/rules/variant-rules/critical-hit-xphb.md) against you becomes a normal hit. **Variants**: - [Adamantine Breastplate](#Adamantine%20Breastplate) - [Adamantine Chain Mail](#Adamantine%20Chain%20Mail) - [Adamantine Chain Shirt](#Adamantine%20Chain%20Shirt) - [Adamantine Half Plate Armor](#Adamantine%20Half%20Plate%20Armor) - [Adamantine Plate Armor](#Adamantine%20Plate%20Armor) - [Adamantine Ring Mail](#Adamantine%20Ring%20Mail) - [Adamantine Scale Mail](#Adamantine%20Scale%20Mail) - [Adamantine Splint Armor](#Adamantine%20Splint%20Armor) ### 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 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 (2024) p. 227. Available in the Free Rules (2024)*