Mithral

Rare Metal, Very Rare (2,500 gp per ingot)

Elves fought their long wars against both dragons and titans, in their pursuit of weapons for these wars they discovered mithral deep within the mountains of Mythalen. Mithral reflects light with a slightly bluish hue.

Mithral Armor

Magic Armor. You have a +2 bonus to your armor class while wearing this armor.

Mithral. Armor made of this substance weighs half as much as it normally would and can be worn under regular clothes.

Nimble. If the armor normally imposes disadvantage on Dexterity (Stealth) checks or has a Strength requirement, the mithral version of the armor does not.

Mithral Weapon

Magic Weapon. You have a +2 bonus to attack and damage rolls made with this magic weapon.

Mithral. This weapon deals an additional 1d6 force damage.

Nimble. This weapon is a finesse weapon.