This is Mavuika Augusta from Wuthering Waves.

Recommended LoRA strength: 0.7 - 1.0
(I used 0.8 in my images.)

Her base prompt:

4gu5ta, orange hair, red hair, long hair, silver eyes,

Her weapon: (You might need to add this to negative prompt if not intentionally using.)

holding giant sword,

Bearer of Legend | 烈名者:

white fantasy warrior armor, spiky gold crown, cape, boots, ornate, metallic,