Suggestions for Mysterious girlname with "S"

Hello everyone!
I am in need of a name for a girl, starting with “S”. It needs to sound mystical and almost… “stealthy” you could say. Maybe slightly intemidating. I already found some names I may use, it would be really nice if someone rated which ones they thought sounded best, and I would also love to be suggested some new names!

These are the names I am considering:

[name]Shay[/name]
[name]Sasha[/name]
[name]Shalyn[/name]
[name]Satine[/name]
Satina
[name]Sabra[/name]
[name]Seraphina[/name]

Thank you so much for the help!

[name]Shae[/name]. Or [name]Sylvie[/name].

For me, one of the reasons I like [name]Sabine[/name] and [name]Sigrid[/name] is they feel mysterious. I like [name]Sigrid[/name] especially because it sounds so strong, and as you said intimidating.

I like [name]Satine[/name] best for your criteria, although it is a little bit too connected to Moulin Rouge, perhaps.

[name]How[/name] about

[name]Selene[/name] (pn properly as Seh-luh-nee)
[name]Circe[/name] (a mythological witch, arguably quite sinister, and although it’s not an S it’s an S-sound it starts with!)
[name]Sable[/name]
[name]Sidonie[/name]

Ooh, or [name]Signe[/name].

[name]Shyla[/name] is one of my own top favorite girl names, and somebody described it to me as “mysterious.”

Other suggestions:

[name]Shiloh[/name]
[name]Sybil[/name]
[name]Sybilla[/name]

[name]Sabine[/name]
[name]Simone[/name]
[name]Sable[/name]
[name]Samara[/name]
[name]Silvia[/name]
[name]Samantha[/name]

I’ve always thought [name]Severine[/name] and [name]Sidony[/name] sounded vaguely sinister

[name]Sybella[/name]
[name]Samira[/name]
[name]Samuelle[/name]
Segolène
[name]Sunniva[/name]
Solemnia
[name]Soraya[/name]
[name]Sibley[/name]

Also if you’re open to using ‘C’ names with an ‘S’ sound, [name]Celeste[/name] is quite mysterious. Whenever I hear it I think of the [name]Mary[/name] [name]Celeste[/name], a ship that was found abandoned at sea.