And they “fast grew up” together. Then Gideon left to perform this mission in storybrooke and Tiger Lily is still in the dark realm right now with Black Fairy, and Gideon promised he would be back as the new Savior to save her, defeat the Black Fairy, and save the dark realm.
I’m not sure if that would work seeing that the other spoilers about her tease that she’s part of Hook’s past in Neverland.
“As Captain Hook continues on his path to redemption, his dark past is never far away,” executive producers Adam Horowitz and Edward Kitsis tease. “He’s left a long line of adversaries and Tiger Lily is the latest to return and complicate his efforts to leave that past behind.”
http://ew.com/tv/2017/01/20/spoiler-room-timeless-blacklist-redemption-once-upon-time/