On the page Sersi has as ton of powers, including Superhuman strength and durability molecular manipulation, psionic powers, flight, and near vulnerability. It’s unclear if her abilities will be changed for the film adaptation, but it sounds like The Eternals are a very strong group of characters. The cast even jokes that they would kick the Avengers’ asses in a fight. Them be some fighting words!
Article source: https://www.cinemablend.com/news/2492555/eternals-star-is-teasing-a-marvel-love-triangle