This is Cartethyia from Wuthering Waves.

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

Her base prompt:

crt3ty4, long hair, blonde hair, blue eyes, elf ears,

Thorny Rain | 荆雨微茫:

fantasy dress, blue cape, silver armor, high heels, headband, flowing fabric, star pattern, detailed clothing,