Does Mithral Armor in the form of a Chain Shirt still count as a light armor? I remember in 3.5 and Pathfinder it counted as light armor so Rogues could then use it; and often sought out the armor..

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    \$\begingroup\$ You may be interested in Elven Chain, which is a different magic item which is a chain shirt which does consider you to be proficient even if you lack proficiency in medium armour (but it is still medium armour). \$\endgroup\$
    – BBeast
    Commented Feb 2, 2021 at 6:41
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    \$\begingroup\$ In 3.5 and Pathfinder Chain Shirt is a light armor regardles of material. You may have meant Elven Chain which is described in 3.5 as a special sort of Chainmail made of Mithral and considered light armor while regular Chainmail is a medium armor. \$\endgroup\$
    – Ols
    Commented Feb 2, 2021 at 9:45
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    \$\begingroup\$ @Ols Specifically, mithral does make armor one stage lighter in 3.5. Armor can however never be lighter than light, and as you say the chain shirt is light by default. \$\endgroup\$
    – Weckar E.
    Commented Feb 2, 2021 at 16:33
  • \$\begingroup\$ @WeckarE. Absolutely right. Elven Chain is just a Mithral Chainmail, but it is also described separatly in the magic items section with a specific name (Elven Chain). I suspect this can be the source of confusion. \$\endgroup\$
    – Ols
    Commented Feb 2, 2021 at 17:05

1 Answer 1


No, the armor's category does not change.

Mithral Armor

Armor (medium or heavy, but not hide), uncommon

Mithral is a light, flexible metal. A mithral chain shirt or breastplate can be worn under normal clothes. If the armor normally imposes disadvantage on Dexterity (Stealth) checks or has a Strength requirement, the mithral version of the armor doesn't.

(DMG, p. 182)


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