i put down salt in the hallway where the ghost was and the banshee walked through it allowing me to hear her footsteps. i heard her walk directly to me which is a banshee ability. Banshee ability: she can walk to her target outside of a hunt no matter where they are in the house, she will will find them. TLDR: she stepped in salt and used her banshee ability afterwards by walking directly to where i was hiding and i heard it because of the salt.