Board Thread:Ninjago Wiki News/@comment-34845354-20180228011303/@comment-3214109-20180508235756

Sparkleshine34 wrote: I'm pretty sure that she is evil on purpose(which is dsapointing) becuase why would she purposly KILL the Ninja and try to to kill Lloyd? she wants revenge.

I'm pretty sure that is not the case. She is evil because she was driven mad with grief over her birth parents' death in an accident caused by the Ninja (Lloyd especially since he released the devourer) and we don't really know if Harumi got the support she needed from her adoptive parents. Plus, she does have a point about the Ninja wrecking Ninjago while Lloyd apparently didn't care when Harumi told him about losing her family in episode 81.

While she did "kill" the Ninja she also spared Lloyd's life twice and even offered him to join the SOG so I believe there's still hope for her.