Board Thread:Character Discussion/@comment-24018644-20150413153456/@comment-25926288-20150420204936

Nakis91 wrote: Truth be told, what did Zelena do to make her heart darken and why would it be dark anyway? She's not evil per se, she's envious / crazy. Does envy make one's heart to go dark? Well, it makes her go green!

By the horrible logic on Once: Killing people makes your heart dark. So, Zelena killed Marian and would have at least a spot on it. Besides that, it was glamoured and I doubt she'll let anyone hold it again.