Correct, common, and a bit melodramatic.

What a Japanese person actually thinks
Reads like a drama subtitle. 運命の人 ('the person I was fated to meet') is stock romance vocabulary, so the word arrives pre-loaded with soap opera.

Meaning

Literally: fortune + life
Actually: Fate or destiny — the course a life takes, usually beyond your control.

Scores

Naturalness●●●●●

Common word.

Coolness●●●●●

Solid characters, sentimental register.

Watch out

Nothing embarrassing lurking in here.

縁 en
the karmic thread that brings people together

The specific, Japanese version of the idea — quieter, deeper, and one character instead of two.
宿命 shukumei
the fate you were born with

Heavier and more inescapable than 運命. If you mean destiny as something you can't outrun, this is the word.

On skin

運命

Orientation: vertical

Mincho.

Correct, common, and a bit melodramatic.

Meaning

Scores

Watch out

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On skin