kavacha_(fate)
One half of Karna (fate)'s Noble Phantasm (fate) Kavacha and Kundala (fate): O' Sun, Become Armor, consisting of his golden armor. He has to sacrifice both components to activate Vasavi Shakti (fate).
The armor includes his spiked collar (just a plain collar in Fate/EXTRA), gauntlets, greaves, armored boots, and the two floating objects around his shoulders.