✨ Illustrious Ultimate Upscaler | Img2Img + LoRA Support

Take your Illustrious generations to the next level with this ComfyUI workflow designed for high-quality Img2Img upscaling and refinement while maintaining full LoRA compatibility.

Whether you're working with portraits, characters, illustrations, or highly detailed anime artwork, this workflow helps recover fine details, improve overall image quality, and enhance visual consistency without sacrificing the original composition.

Features

✅ Img2Img-based upscaling and refinement
✅ Full LoRA support
✅ Preserves character identity and style
✅ Improves details, textures, and sharpness
✅ Great for anime, illustrations, and character art
✅ Flexible settings for different upscale strengths
✅ Easy to customize and expand

Recommended Use Cases

• Enhancing low-resolution generations

• Refining existing Illustrious outputs

• Adding extra detail before final upscaling

• Improving facial features and clothing details

• Preparing images for sharing, printing, or further editing

Tips

• Lower denoise values help preserve the original image.

• Higher denoise values allow for stronger refinement and detail generation.

• Experiment with different LoRAs to achieve unique artistic styles.

• For best results, start with a reasonably clean source image.

Compatible With

• Illustrious-based checkpoints

• Character LoRAs

• Style LoRAs

• Detail LoRAs

• Most standard ComfyUI installations

Notes

This workflow was built to provide a balance between detail enhancement, image stability, and LoRA flexibility. Results may vary depending on the checkpoint, LoRAs, prompts, and source image quality.

If you find it useful, consider leaving a rating and sharing your results. Seeing what others create with the workflow is always appreciated. 🚀

Version: Initial Release
Workflow Type: ComfyUI Img2Img Upscaler
Model Family: Illustrious
LoRA Support: Yes ✅