What's love got to do with it? A lot, actually.

The Guardians of Oa have the Green Lanterns while their counterparts, the Zamarons -- fueled by emotions, unlike the Guardians -- created the Star Sapphires, a group of super-powered soldiers wielding the power of love.

Click below for more info on the Star Sapphires, in this, our penultimate "Corps 101." Can you guess which comes last?