Diana or J'onn seem the most level headed people to hold the ring. They wouldn't need it when it comes going head-to-head against Clark, and the ring, after all, is intended as a last resort measure.
jorgecabrera's forum posts
I was really hoping he'd have a weird process like: "I bathe in goat's milk for an hour every morning while wearing the helmet, and I allow myself to air dry afterwards. Still, wearing only the helmet.", or something like that.