Well, one interesting aspect is seeing Edward's character in a new light. His normally brooding and mysterious self can be shown as more lively through dance. For example, in some fanfics, his dance moves might reflect his vampire agility and grace. Another aspect is the romantic angle. A dance between Edward and the female lead can be an extremely passionate and intimate moment, adding more depth to their relationship.
The interesting part about 'dancing Edward Twilight fanfic' is that it combines two elements that are not as commonly explored in the original series. Dance can be a form of self - expression for Edward. It could be a way for him to communicate his feelings to the other characters without using words. Also, it can create unique scenarios. Maybe there's a masquerade ball in Forks, and Edward's dancing steals the show, and this leads to new plot developments and interactions with other Twilight characters.
In 'dancing Edward Twilight fanfic', the cultural aspect can be quite interesting. Since the Twilight series has a certain cultural backdrop, adding dance into it can bring in different cultural dance forms. Edward could be involved in a traditional waltz or some other dance that was popular in the time period the series is set in. This not only adds a touch of elegance but also enriches the overall Twilight world. Moreover, the dance scenes can also be used to explore power dynamics. As a vampire, Edward has a certain power, and how that is manifested during a dance, like leading his partner effortlessly, can be a fascinating exploration.