Krea 2 Firefly (Honkai: Star Rail) — Character LoRA v1.0

An unofficial, fan-made character LoRA for Firefly from Honkai: Star Rail, trained on Krea 2 RAW with Musubi-Tuner.

The goal is to preserve Firefly's recognizable facial features, silver hair, gradient eyes, and characteristic accessories while allowing different outfits, environments, and compositions.

Model information

• Base model: Krea 2 RAW

• Recommended inference base: Krea 2 Turbo

• Type: Character LoRA

• Trigger word: fyfirefly

• Training images: 42 curated images

• Captioning: Manually reviewed English natural-language captions

• Training resolution: 1024×1024 with aspect-ratio bucketing

• LoRA Rank / Alpha: 32 / 32

• Optimizer: AdamW8bit

• Training learning rate: 1e-4

How to use

Load this LoRA with a compatible Krea 2 workflow in ComfyUI or another compatible inference environment.

Include fyfirefly in your positive prompt.

Example prompt:

fyfirefly, a young woman with long silver hair, pink and blue gradient eyes, wearing a white blouse and pleated skirt, standing in a sunlit garden, gentle smile, anime illustration.

A reasonable starting LoRA weight to test is 0.8–1.0. The optimal strength depends on the selected training checkpoint and workflow.

Notes

This model is designed for character recognition and outfit flexibility. Results may vary between model versions, prompts, and generation settings.

This is an unofficial fan project and is not affiliated with or endorsed by HoYoverse or Krea AI.

Firefly and Honkai: Star Rail belong to their respective rights holders.

This LoRA is derived from Krea 2 and is subject to the Krea 2 Community License Agreement: https://www.krea.ai/krea-2-licensing

The model distribution must include the applicable license and attribution notices.