Board Thread:News and Announcements/@comment-25711033-20140921000217/@comment-24772331-20140924044127

Allied Soldier wrote: Steven released her from a prison (a Mirror) and she stole the city's entire ocean because she was using it like an elevator to her 'home' which in probably in the stars. She only did it because her gem was broken, but after Steven repaired it, she grew water wings and returned the ocean. They also revealed that the monsters they fight are former Crystal Gems that became corrupt.

PLEASE no major spoilers on the wiki before the episode airs in America. Thank you :)