Demon in the labyrinth

[Caryyad]

How can I kill it? First, I tried it. Second, I watch a walkthrogh on youtube. And what can I see? The demon flees different in the video and the game. In the video, she runs away if she is standing back to a wall, through another passage. In game, she ALWAYS is porting behind me.

In this picture, she was standin in the upper right corner. I used the sphere and now she is standing one room down.
http://steamcommunity.com/sharedfiles/filedetails/?id=467521982

I tried many constellations, I can't solve this.

Is this a bug?

[Squeak]

Old post but you can make her run left by shooting to the right of her and vise versa. To move her back, shoot directly at her.