we don't know much about that orb but i got a pretty interesting theory which may or may not be true zNSFW

http://i.imgur.com/VOtAMSB.jpg

User: NovaStoneReddit

Categories: stevenuniverse

Just so you all know, this image has been in the back cover of all the comics.

New Big Bad Gem; First Look!

What'cha doin' there Pearl

the gems hight in story for steven

Suddenly Marty [Unedited except for cropping]

The many faces of Amethyst

I don't regret making this at all. (Spoilers!)

Saddest Moment for Steven in SU. Why is nobody talking about it?

More evidence that This new "figure" is Yellow diamond

Almost there guys.

Perfect line sums up hype

Which of Sardonyx's two pairs of eyes is the most elegant?

Steven The Magical Pizza Maker

I made a thing in Fablab

Loved the episode, but this feels like a cheat.

The globe from When it Rains

"Don't even try, Peridot!"

Gettin' real tired of your crap, Peridot... again.

The Gift [OC]

I think someone's been looking at fanart.

JASPER IS A QUARTZ CONFIRMED!!

I edited pearl to look like a bird

A public service announcement from your local kindergarten

Can this be a new flair?

I love how Yellowtail and Vidalia are just chillin'

Man. They were right.

My attempt to label all the gem structures on the colony map from It Could've Been