Tag Effects

Large effect
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photorealistic
hyperrealistic (very extreme effect)
textured skin (very extreme effect - really looks like it's just "textured" and "skin" since it made the whole image about the textures of everything in it)
textured (see above but it messed up all the colors unlike 99% of other prompts)
highres
3d model
anime screencap
monochrome
sketch
cute
portrait
realistic shadows
fluffy hair
impressionism
art nouveau
flat color
backlighting
bloom
chiaroscuro
foreshortening
ultra-detailed
beautiful detailed [background feature] (adding adjectives to things works great)
wind
glowing particles (added out of focus particles and a wind effect)
light particles (added distinct particles and a wind effect)
world masterpiece theater (actually looked kind of nice quality wise but completely changed the pose and added a messed up hand)
tracing (made all the lines really tiny and crisp)
4k
8k
hollow eyes
delicate
ambient light (even more intense than backlighting)
retro/1980/1990/2000/2010s artstyle
evangelion style
various chinese spells (mechanical body armor, clothes made of silver with gold lace and gemstone blisters, flowing molten metal, etc. - the ai is pretty good at simply adding props and adjectives to things)

Medium effect
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watercolor
oil painting
lineart
line art
thick outlines
ink art
comic art
digital art
illustration
cinematic lighting
colored pencil \(medium\)
intricate
ornate
detailed
extremely detailed
detailed face
intense shadows
painted illustration (this one added a tiny barmaid in the background for some reason)
soft focus
soft light
soft lighting
art deco (this one also added background people)
ligne claire
surreal
unfinished
no lineart
dithering
drop shadow
motion blur
gradient
silhouette
starry eyes
shiny skin
perfect face (note - i tested this against just "face" and it was about the same; you simply need to tell the ai to draw the face more)
curated
curated masterpiece
ink
light (made it draw the light in the background a bit brighter and more detailed and added harsher shadows)
luminescence
wallpaper
hazy fog
standing on the surface of the sea
ocean waves
wind
fluttering skirt
coral
floating bubbles
[prop] on body e.g. gemstone
authentic skin texture
prosthesis
limited palette

Small Effect
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visible brushstrokes
crosshatching
anime
manga
masterpiece
best quality
pencil art
felt-tip pen art
beautiful
accurate anatomy
dynamic angle (the image was already at a dynamic angle so this is a false negative, probably)
overexposure
light leaks (basically just a DoF effect)
ray tracing (made it a bit more colorful and flat)
long focus (not a long shot image so probably a false negative)

Almost / entirely doesn't work
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spot color (just "monochrome" with a color in the prompt worked better than both "spot color" and "monochrome and spot color")
glitch (likely because of my negative tags)
abstract (likely because of my negative tags)
emphasis lines (had a large effect but didn't actually add any lines to the image)
speed lines (had a very large effect but didn't actually add any lines to the image)
motion lines (had a small effect but didn't actually add any lines to the image)
film grain (likely because of my negative tags)
scanlines (likely because of my negative tags)
halftone (had a large effect but didn't actually add halftone shading)
vignetting (added a nice DoF effect but didn't actually add any vignetting)
pc-98 (likely because of my negative tags - this one definitely works otherwise)
entering a hex code color (tried with a bunch of different ones)