The Golden Armor (aka the Armor of the Golden Master) is a suit of armor the Overlord created from the Golden Weapons.
The ninja have found the Golden Armor and are taking it to Garmadon's monastery to reforge it into weapons.
The ninja are reforging the Golden Armor into weapons with Ray and Maya.
The ninja have reforged the Golden Armor into weapons and are fighting the Alpha and the other Oni. Eventually, they beat them.
Wu mentions the golden weapons of Spinjitzu.