Barnabas, on his part, wishes even more desperately to be mortal again, but finds out Julia is just using his blood to make herself immortal, so he kills her and dumps her body into the bay with Willie's help.
Barnabas wishes even more desperately to be mortal again. This is on his part. Barnabas finds out. This is on his part. Julia is just using his blood to make herself immortal. He kills her. He dumps her body into the bay with Willie's help.