The procedure is similar to the previous one, with the difference being you need to select the 4th Wing: Improve Option as shown below: The higher the wing's elemental rank, the greater the Elemental Rune consumption. Below you can see the table with attributes and their respective values according https://phantomabyssgame87642.blogthisbiz.com/44100034/the-ultimate-guide-to-como-fazer-wing-level-4-mu-online