Style

The model was trained on original show screencaps, and mimics the original art style very well, so to achieve it just use more

Base Prompt

azula, black hair, hair bun, brown eyes, lipstick, makeup

V2 prompts

Beach outfit

sarong, jewelry, necklace, armlet, bare shoulders, red bikini, bandeau

Bedroom

azula, black hair, long hair, loose hair,
dark, night, dark room, candle, candlelight,

Shizo

azula, black hair, long hair, yellow eyes, 
blunt ends, cut bangs, bags under eyes

Bending???

No, but close. I didn't included any bending mentions into the dataset, but it appears that Illustrious can imitate bending very well.

Use:

pyrokinesis, blue fire, fireball

electricity, electrokinesis

And actually any other something-kinesis, like hydrokinesis, hemokinesis

Tips

Use CFG 4, Euler A, 30 steps

You can use yellow eyes instead of brown eyes