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About the frisk (undertale) tag
frisk (undertale) is a character tag that NovelAI Diffusion can use. On Danbooru it has 1,723 posts, and its best-rated still image scores 253. 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 frisk (undertale)
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 frisk (undertale) in a prompt
Put the subject first, then this tag, then quality tags.
frisk (undertale), solo, best quality, masterpiecewlop, frisk (undertale), 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
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The main protagonist of Undertale. They possess a Red Soul.
They have short brown hair with locks behind their ear, yellow skin and a =_= face. They wear a long-sleeved two-tone striped blue shirt and purple shirt/pink shirt, blue shorts or blue pants, and black shoes. They are androgynous in appearance.
They are sometimes depicted with black pantyhose, black ankle socks/kneehighs, black ankle boots, two-tone striped blue and purple sweater/pink sweater, open eyes and seen holding a stick in fanart instead. They are sometimes drawn with yellow, red or brown eyes.
If they are depicted as male or female instead, use genderswap (otm) or genderswap (otf) respectively.
See also
FAQ
Does NovelAI recognize frisk (undertale)?
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 frisk (undertale).
How do I write frisk (undertale) in a prompt?
Write "frisk (undertale)" 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.