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://touhou-danmaku-kagura-pha20875.look4blog.com/74909282/rumores-buzz-em-como-fazer-wing-level-4