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About the luca (yu-gi-oh!) tag
luca (yu-gi-oh!) is a character tag that NovelAI Diffusion can use. On Danbooru it has 243 posts, and its best-rated still image scores 281. The samples above put the tag at the front of a fixed base prompt with seed 1234, so the differences between tags come from the tag alone.
How each model draws luca (yu-gi-oh!)
Follows composition and expression instructions closely, so the effect shows in a tidy form.
Reacts to the tag more strongly, so its effect is easier to see.
WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.
Writing luca (yu-gi-oh!) in a prompt
Put the subject first, then this tag, then quality tags.
luca (yu-gi-oh!), solo, best quality, masterpiecewlop, luca (yu-gi-oh!), soloThe negative prompt and the full settings are on the terms page.
How these samples were made
Every image uses 832×1216, seed 1234, 23 steps and the k_euler_ancestral sampler. The base prompt and negative prompt stay the same for every tag, and only the tag under test changes. Images flagged by the NSFW check are regenerated with a new seed or hidden.
From the Danbooru wiki
One of the main characters from Yu-Gi-Oh! 5D's. She is the younger sister of Lua. Known as Luna in the dub.
For a duel monster that makes up the other half of Evil Twin's Trouble Sunny, see Luna (DM) (Yu-Gi-Oh!).
FAQ
Does NovelAI recognize luca (yu-gi-oh!)?
Compare the samples on this page. Every tag on this site shares the same seed and base prompt, so any change you see comes from luca (yu-gi-oh!).
How do I write luca (yu-gi-oh!) in a prompt?
Write "luca (yu-gi-oh!)" near the front of the prompt and separate it from other tags with commas.
Should I use V5 or V4.5?
V4.5 shows the tag's effect more strongly. V5 gives steadier images with fewer artifacts.