This is Celes from Final Fantasy III Final Fantasy VI.

Her base prompt:

c3l3s, large breasts, long hair, blonde hair, blue eyes, parted bangs,

Change her body size with medium breasts, or huge breasts, if desired and for varied results.

Her outfit with weapon:

shoulder armor, green leotard, shoulder pads, pauldrons, collarbone, cleavage, blue footwear, earrings, jewelry, white cape, high heels, high heel boots, blue headband,

holding sword,