Ruby-1F4 Cut-4ND, or just Ruby or Eyeball (to Steven) is a Homeworld Gem and the final antagonist of the third season of Steven Universe. She made her debut at the end of "Barn Mates" and her (potentially) final appearance in the season 3 finale, "Bubbled", where she served as that episode's main antagonist.
Chronicles of Zaragoza[]
Chapter 5: Return Of The Heroes/Raven Beak Strikes Again[]
Eye Ball Ruby joined Raven Beak inbetween the time skip and has been after her allies help Raven Beak after the Diamonds disbanded. Eyeball Ruby joins the guard in beginning their new plan after Raven Beak detonates his device with Nefarious.
Eye Ball Ruby conducts attacks on the heroes like her allies, though finds that it may be not so easy dealing with the heroes so she seeks fusion to accomplish this.
Eyeball imprisons some people in Carbonite like Mastermind and then attacks the heroes to keep the last E.M.M.I able to attack Lizbeth separatyl from the others. Using her fusion abilities, she puts a fight though upon seeing Lizbeth return, she decides to flee
She makes one final stand but is killed by The heroes respectfully.