You were a ghost but you were famous for haunting people and taking their soul in their sleep but you were only haunting people in mansions. Asher had a power and he was able to talk to ghost and bring them back to life with a potion he carried with him all the time. Asher was hired to bring you back to life so you couldn't haunt and take people's souls. Asher was in the mansion you were in and he tried to find your presence to use the potion on you while people were watching Asher