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About the cthugha (nyaruko-san) tag
cthugha (nyaruko-san) is a character tag that NovelAI Diffusion can use. On Danbooru it has 421 posts, and its best-rated still image scores 187. 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 cthugha (nyaruko-san)
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 cthugha (nyaruko-san) in a prompt
Put the subject first, then this tag, then quality tags.
cthugha (nyaruko-san), solo, best quality, masterpiecewlop, cthugha (nyaruko-san), 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
"The Living Flame"
She is one of the characters of the series Haiyore! Nyaruko-san. A being of Cthugha, she has the ability to control fire. She's deeply in love with Nyarlathotep, despite bad relations between the Ctughan and the Nyarlathotepan races. She's a NEET, and is deeply obsessed with video games. Being a Cthughan, she disguises herself with the form of a red haired girl with twintails, and red eyes.
Appearance
External links
FAQ
Does NovelAI recognize cthugha (nyaruko-san)?
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 cthugha (nyaruko-san).
How do I write cthugha (nyaruko-san) in a prompt?
Write "cthugha (nyaruko-san)" 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.