Yeah I was thinking of making both outfits but just wear her casual/traveling outfit on Thursday or something. Then wear the demon slayer outfit (the "black and pink one") during the main days of con.
PAX Prime 2014:
Cortana - Halo 4/Forward Unto Dawn (0%)
Tifa Lockhart - FFVII (90%)
Gerudo Guard - Legend of Zelda: Ocarina of Time (10%)
Aki Con 2014:
Sakura Con 2015: