She is is Alina Auer, the commander of the Corvun military's seventh brigade. Known for leading the frontline troops into battle to almost certain victory.

Based off of Centaura from Roblox, it's actually really fun and I fell in love with the lore so here it is.

TW: Isn't it obvious? It's based off of war so the usual, death, destruction and damage.

Artist Link? I had a hard time finding the author but here is the link of the person who pinned it: https://pin.it/1ow8d6AWy