the murderer of my peace
The murderer of your dear ones, and you say the murderer of your peace.
As egotistical a statement as this is, it reflects the Monster's aim; he doesn't care for these victims one way or another; his aim is to make Victor suffer perpetually.
The Monster is essentially playing God by wishing eternal condemnation on Victor Frankenstein and determining to make it happen.
Or better yet, he's Zeus, who punished Prometheus by chaining him to a rock, where an eagle would eat his liver on daily basis, the liver regenerating every day in an eternal cycle of suffering.
