This is Mornye from Wuthering Waves.
Recommended LoRA strength: 0.7 - 1.0
(I used 0.8 in my images.)
Her base prompt:
m0rny3, silver hair, red eyes, halo, long hair,
A Step Forward | 前行的一阶:
white coat, black-purple outfit, thigh high boots, high heels,
