I tried to get it as close to the splash art as possible. Pretty happy with the results.
Obviously use ADetailer for accurate face, look at my example images to see how I prompted to get the look I did.

Prompt I used for ADetailer:
(Best quality:1.0), (masterpiece:1.2), masterpiece, best quality, newest, detailed eyes, (from below), battle ground, open field, high noon, looking down at viewer,

1girl, young female, riven, red eyes, asian face, wide face,

faint smile, closed mouth, friendly expression, shiny skin, oily skin, tan skin, riven, white hair, tied hair, ((white eyebrows)), thin eyebrows <lora:3d_style:0.6> <lora:my riven:1.2>