This is the armor summoned by a Circle of Scales Druid at Level 14 and above. This armor is magic

You gain Resistance to Radiant, Poison and Fire Damage, are Immune to the Poisoned Condition and gain Proficiency in Constitution Saving Throws. This counts as Mithral Half Plate plus 2.

Half plate consists of shaped metal plates that cover most of the wearer's body. It does not include leg protection beyond simple greaves that are attached with leather straps.

Notes: Bonus: Armor Class, Resistance: Fire, Resistance: Poison, Resistance: Radiant, Immunity: Poisoned, Proficiency: Constitution Saving Throws, Stealth Disadvantage