Demonology 101

To tame a Demon Brute

Go to Smith Haven Mall go to the bathroom and hunt and fight Demon Brutes until you receive a demon tooth.
Go to the Mysterious Shop and give the tooth to Nermine. She will tell you that you can capture one but you need 3x Demon Seed to complete the ritual. When you have the Demon Seed give the tooth to Nermine and you can commence with the ritual.
To start the ritual you are told you must use your blood you are then given the option to proceed or not.
Pick yes, picking no results in loss of only chance to capture a Brute.
After you use your blood to call the demon you must fight and defeat the Demon Brute. If you lose auto bad end.
A scene of him being trapped in the tooth and Nermine stripping him of his power will occur.

Your very own Infernal Sex Slave.

To cleanse you demon go to the Church of the Maternal Beast
Enter the confessional and talk to the Priestess.
She will tell you it is possible but you need 8x water to give them.
After you give them the water you proceed with the process of cleansing the demon.

Pure Demon Slave named Brutus. Occasionally able to capture other Demon Brutes long enough to enjoy your choice of victory sex.

Go to the Burned-Out Chapel
Talk to Lilith with Demon Brute in tow.
Lilith will examine you pet and ask you if you want to give you demon a pussy to.
Talk to Lilith and she will tell you that to change your demon you will also need Succubus Breast Milk but that is easily obtained.
To obtain the Breast Milk impregnate Lilith when her description describes her breasts leaking milk you can change the demon brute into a herm
If you wish to change him into a full female repeat the scene again.

Demon Brute is turned into a Herm or a Female.