Melkor promised to give Ungoliant whatever she desired, and imparted some of his power to her, and with her help, he travelled into Valinor secretly, killed the Two Trees, assassinated Finwë at Formenos, and stole the Silmarils, before escaping in the confusion.
Melkor promised to give Ungoliant whatever she desired, and imparted some of his power to her, and with her help, he travelled into Valinor secretly, where Ungoliant's poison killed the Two Trees. Covered by an impenetrable blackness, Melkor and Ungoliant then travelled to Formenos, assassinated Finwë and stole the Silmarils, before escaping in the confusion.