Memmeln

A member of the Nine Soldiers in the movie "A Tale of Perishing." From the Kingdom of Wind. An elf. Age unknown.
Has lived for hundreds of years.
She was chosen to become one of the Nine Soldiers for her ability to use the most advanced magic among the elves.
Engages in combat as a support from the rear with a magical bow.
Calm and composed. Never shows emotions outwardly.
A member of the town's choir.
Adored by fellow choir elves, Meg and Sally.

(Source: Zenshu Wiki)