Detecting weaknesses in enemies can be a skill (though you can't just say a person has a weakness when they really don't; the owner of the character must tell you what it is if they choose to allow you detect a weakness) and concealing herself from detection isn't allowed.
________________
Kendall, Daughter of Ares
Rosalie, Daughter of Aphrodite
Claire, Daughter of Hecate
Archer, Son of Hecate
Stella, Daughter of Ouranos
Meagan, Daughter of Gaea
Aidan, Daughter of Pyriphlegethon
Tempest, Daughter of Aeolus
Nelly, Daughter of Apollo
Benji, Daughter of Kuk
Deja, Daughter of Odyne
Mason, Son of Hermes
Waldo, Son of Hermes
Terra, Daughter of Tiki
Lucy, Daughter of Somnus; First Cohort
Dorian, Legacy of Mefitis; Third Cohort
You power-play, I god-mod. (Switching "god-mod" with "power-play" works too.)