What happens after the raven flies into the speaker room in the Raven arrange the events in order

After the "stately" raven flies through his "window lattice", he see the bird sit above his chamber door on a bust of Pallas. He then wonders what is the birds purpose for being there and pulls up a chair to just sit and look at the raven. Meanwhile the raven repeats the word "nevermore" to tell the man that his deceased wife Lenore is not coming back but the first time he calls the raven a friend then he calls it a devil, his enemy.