Board Thread:Spoilers/@comment-25176701-20160120235454

Apparently, Luna's in hiding for some unknown reason. My guess is she's hiding from the Ice Queen b/c she wants to side with Lexa and doesn't want to die.

Link: http://www.ign.com/articles/2016/01/20/the-100-season-3-preview-octavia-and-lincoln-struggle-with-where-they-belong 