Sophie Turner reveals her greatest fear involving drains while promoting Dark ...

Sophie Turner revealed her greatest fear while promoting the new X-Men film Dark Phoenix on ABC's Jimmy Kimmel Live on Tuesday night.

The 21 year old actress played a game with her co-stars James McAvoy, Michael Fassbender, Jennifer Lawrence, Nicholas Hoult, Tye Sheridan and Jessica Chastain, where they each had to guess each other's greatest fears.

Turner revealed that her greatest fear involves walking over drains, and when you do walk over a drain, you have to say 'onions' to 'reverse the curse.'

Greatest fear: Sophie Turner revealed her greatest fear while promoting the new X-Men film Dark Phoenix on ABC's Jimmy Kimmel Live on Tuesday night

Greatest fear: Sophie Turner revealed her greatest fear while promoting the new X-Men film Dark Phoenix on ABC's Jimmy Kimmel Live on Tuesday night

Drain fear: Turner revealed that her greatest fear involves walking over drains, and when you do walk over a drain, you have to say 'onions' to 'reverse the curse'

Drain fear: Turner revealed that her greatest fear involves walking over drains, and when you do walk over a drain, you have to say 'onions' to 'reverse the curse'

'I was taught very young that you have to say onions to reverse the curse,' Turner said, though she didn't say what led to this unorthodox fear.

Turner plays Jean Grey, whose incredible mutant powers turn her into the title character, Dark Phoenix, which leads to a surprising death.

When 20th Century Fox released the trailer in February, it was confirmed that Jean Grey kills Jennifer Lawrence's Mystique in the film, which Lawrence discussed.

Jean Grey: Turner plays Jean Grey, whose incredible mutant powers turn her into the title character, Dark Phoenix, which leads to a surprising death

Jean Grey: Turner plays Jean Grey, whose incredible mutant powers turn her into the title character, Dark Phoenix, which leads to a surprising death

Co-stars: When 20th Century Fox released the trailer in February, it was confirmed that Jean Grey kills Jennifer Lawrence's Mystique in the film, which Lawrence discussed

Co-stars: When 20th Century Fox released the trailer in February, it was confirmed that Jean Grey kills Jennifer Lawrence's Mystique in the film, which Lawrence discussed

'I teared up a little watching Sophie in this scene,' Lawrence said, before joking about why Turner was really crying in the scene.

'It was so honest and real because her dialogue coach took her Juul away,' Lawrence joked, referring to Turner's Juul vape pen.

'You take it

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