Amastacia

You have a +1 bonus to AC while wearing this armor.
Wearing this armor heightens your sense of smell and sight, providing advantage to perception checks that require vision or smell
While near a trap or magical treasure, the armor glows a bright yellow sheen. The armors glow is indiscernible and it is impossible to tell why the armor is glowing, only that a trap or treasure is nearby

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, Person with passive perception above 11, Combat, Warding, Stealth Disadvantage