The 24-year-old teased a "frightening" storyline for her beloved character, Paige, as the soap reaches its season finale at the end of the year.
Speaking exclusively to Express.co.uk, Olympia revealed: "We have a huge three months coming up.
"What I can say is that the end of the year is based around my storyline and it's so intense – it's probably some of the heaviest stuff I've ever done.
"It's just frightening and you wouldn't want to wish that on your worst enemy," the brunette beauty confessed.
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Olympia Valance has revealed that Paige Smith has a "frightening" storyline coming up
Will Mark be involved in the drama as Paige struggles to manage her feelings for him?
It's just frightening and you wouldn't want to wish that on your worst enemy
When asked if Paige would be leaving following rumours that Olympia is heading to Hollywood, the star remained tight-lipped.
"There's too many deaths on the show and it's so morbid," she laughed. "There's a lot of drama and it feels like a death, but there's no death."
Although the storyline's details are currently unknown, Paige is currently in the middle of a love triangle with Mark Brennan (played by Scott McGregor) and her best friend, Elly Conway (Jodi Anasta).
Olympia Valance flaunts peachy behind in black bikini
Mon, July 10, 2017
Neighbours beauty Olympia Valance flaunts peachy behind and ample bust in black bikini as she holidays with friends in Greece.
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Olympia Valance flashes pert derriere as she twerks with female friend
Olympia hinted that tragedy will strike one of the involved parties, confessing that there isn't a way all can be happy.
She stressed: "Someone in this situation is going to be hurt – everyone's kind of lying to everyone."
Neighbours airs weekdays on Channel 5 at 1.45pm and is repeated at 5.30pm.