Definitions by Charley's World

Sigma 

In paranormal worlds, a breed of female werewolf that is rare and a mix of Alpha and Omega. She will present as Alpha to everyone except her fated mate to whom she will present as Omega.

That she-wolf is not an Alpha, she's a Sigma because she submits to only one fated Alpha.

Sigma by Charley's World April 17, 2023