Should I rank 5 elektra ?

Illuminant

She’s unawakened at the moment but I don’t think she needs it.

Brew_Swayne

She's useful, but kind of a poor man's Widow imo. She also benefits greatly from the Assassin mastery, but unless you've got expiring t4 skill cats and no one else to use them on, I'd probably hold off for a better skill champ.