Bestow defense up/magic defense up.World of Final Fantasy description
Shining Ruby (ルビーのかがやき or ルビーの輝き, Rubī no Kagayaki?) is a recurring ability in the Final Fantasy series.
Appearances
Final Fantasy XI
Shining Ruby is a Blood Pact: Ward ability for the Carbuncle (level 24). It increases Defense by 10% and reduces magic damage by -4% for 3 minutes. It costs 44 MP to cast.
Final Fantasy Brave Exvius
World of Final Fantasy
Shining Ruby is an active ability that bestows Defense ↑ and Magic Defense ↑ on all _targets for 4 AP. It can be used by Carbuncle.
Etymology
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). It is the birthstone for July.