In the 'rwby tai vs raven fanfic', it might focus on the backstories that led them to this point of conflict. Tai might be fighting for the sake of his family or his ideals about protecting Remnant. Raven, on the other hand, could be in the fight for her own self - interest or to protect secrets she holds. The fanfic could also show how their relationship, whether it was once friendly or always strained, affects the way they fight each other.
Perhaps a plot twist would be that during the fight, Tai discovers a secret about Raven that completely changes his perception of her. For example, he finds out that she has been working undercover to stop a greater threat all along, and their fight then turns into a reluctant alliance against a common enemy.
Lenore in 'The Raven' is the woman that the narrator deeply loved. She is dead, and her absence is what makes the narrator so melancholic. The whole poem is sort of centered around the narrator's mourning for Lenore, and the raven's presence seems to intensify his feelings about her loss.
We don't really know who Raven is just from 'Raven tells a story'. Raven could be an animal in a fable that has been given the power of speech to tell a moral - laden story. Or Raven could be a nickname for someone in a community who is renowned for their engaging storytelling skills.
The main theme of 'The Raven' is often considered to be grief and the inability to move on from loss. The narrator is mourning the loss of his beloved Lenore, and the raven's presence and its repeated word 'Nevermore' only deepen his sense of despair and hopelessness.
Raven could be a new character created specifically for this fanfiction. She might be a powerful witch from a distant magical land, with unique magical abilities like the power to communicate with magical creatures on a deeper level.
Raven could be an ancient and powerful witch who has been living in seclusion for centuries. She might have noticed Harry's special aura or his connection to powerful magic and decided to adopt him to pass on her knowledge.
Raven Roth may also be a character who has a mysterious past related to the dark arts. Maybe she was once involved with a group or a situation that had ties to Voldemort, but she has now turned against the dark side. Her knowledge of the dark arts, though dangerous, could be used to help Harry Potter understand his enemies better and find ways to defeat them. This complex backstory would make her a very interesting character in the fanfiction.