I dont know it will help you but C.kendall have share The Black & Bloody Waters Talisman Unique Symbols/Sigils For You To Use In You're Magick
“The vortex is known as the black and bloody waters, a pool of nocturnal, nightside, Infernal, feminine, lunar, sexual and even menstrual energies. Gathered around this pool are the hooded and cloaked partially nude bodies of the sisters, standing in unison as all phases of the moon shine their essence upon these waters. Their continuously chanting and churning these sacred and yet profane waters. This gateway is the opening directly into these waters which can be used in a variety of different ways for different reasons.”
You can look it up if this will help you.