TAGS
Use the prompts in the example images to get a good baseline.
Strength of the LoRA at your pleasure, I would suggest 0.7-0.9.
Here are some useful tags for her:
1girl, pale skin, white skin, long hair, black hair, black dress, boots
Optional:
flat chest, short sleeves, skinny, hair over one eye
Extra
Use 3d, and/or render to make her look more like she does in the game.
Hi-Res fix and Adetailer are recommended.