Satan is the author of confusion, and with Jesus we are never lost but found, Jesus is the only one with the key to hell. Satan would love to confuse us, and kill us, and for us to go to hell.
Here's a Prayer for your friend:
I bind up the spirit of death over ----- in Jesus name, I also bind up all forms of witchcraft, works of the devil,sorcery,white magic, black magic, voodoo,and every hex, vex, curse that has been sent out against ------ in Jesus name.
I plead the blood of Jesus over ----- and her house, property, door posts and lentils in Jesus name.
I loose your angels to protect her in Jesus name.
Father God I pray that she will live and not die and declare your works in Jesus name.
Keep your friend prayed up, it does sound like the spirit of death and witchcraft- they go hand in hand.
The sprit of death has been on my property 2x that I know of and both times God woke us up, but this spirit was a man pale wearing a black suit jacket without tie, his eyes were sunk in, and he was just standing in by back yard.
Ask God to also forgive any and all sins she has committed and those that live with her in Jesus name to get the open doors shut.
I hope this helps, I have prayers and warfare info on a lot of my pages that can help also.
God bless you.