Milena

Milena ,a former princess of Hong Lu elf tribe which perished long time ago. She worked as a sniper for Black Wing troop. Rarely seen in the army except the six sisters of Black Wings . Zhi Ying love to call her Si Mei ( 四妹）instead of Milena . She lost her voice since she was very young but has an extremely sharp sense which can detect even a slightest movement in the air . Combined with her remarkable marksmanship , she is indeed a very deadly silent sniper .