I am not the author, uploading here for I believe... sharing is caring ;)

Original post was from: https://civitai.com/models/368867/nico-robin-one-piece-pre-timeskip-sdxl-pony-illustrious

Now for Illustrious

Mainly trained on her Enies Lobby outfit so clothing is heavily influenced by it at high strength

In the negative prompt put the following if needed:

frills, frilled dress, black thighhighs, black dress, jacket, thighhighs, dress, cleavage, boots, black thighhighs, thigh boots

Trained on Pony Diffusion V6 XL

Generated with AutismMix SDXL AutismMix_Pony

Mainly trained on her Enies Lobby outfit

Prompt is: robinprexl, blue eyes, nico robin, black hair, blunt bangs, dark-skinned female, tan

For outfit you can try: black thighhighs, black dress, jacket, thighhighs, dress, cleavage, boots, black thighhighs, thigh boots