Emma Frost from Marvel Rivals
Keep in mind that settings may vary slightly between different versions. See below for more details.
When I tested this with different checkpoints and LoRAs, it seemed to work quite well.
Pony:
A LoRA weight of 0.9 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
short hair, blonde hair, parted hair, blue eyes, blue lips, earrings, white choker, white dress, blue dress, multicolored dress, cleavage, long sleeves, crystal dress, bare legs, thighs,