demons used to live in the end but migrated to the nether because one did something to offend the ender dragon, however they didn't want to fight her so they fled instead. their relations are still considered good

they speak galactic, and it's similar to ender (the language endermen speak)

they live for a long time, and time can go by weirdly for them

they're considered extinct and all human sources of them living are biased against them. some do exist still, they just live under the lava far away from where others could find them.

they're fire resistant

3 forms- a true form, their normal form, and their human form.

the true one is anywhere from 6-14 ft tall and can have multiple eyes. they look less human and more creature like

their normal form is the one they usually walk around in. it can range anywhere from only vaguely humanoid to basically human passing depending on the demon

the human form is, of course, human looking. their ears and horns stay normal but the horns usually shrink. they typically have an additional trait that stays demonic, most commonly their tail or eyes.

for bbh it's his eyes, which stay a voidless white, and for sapnap it's his tail

demons looks depend on which biome they're from and so do their true forms heights

sapnap is half crimson forest half basalt delta. his horns look like deltas' but they have the vines and fungi covering them like crimson ones do, and his tail resembles the crimsons' ones more

bbh is full basalt deltas. his tail is less thin than sap's

they do have halos but usually they aren't visible

they can add stars to their halos. hunting withers is considered a sport to them and the more withers u kill, the more stars are on the halo

due to that most demons are just. totally chill whenever they see a wither

jewelry is an important part of the culture. jewels and gold are constantly worn on their horns.

marriages are common however most of the time they're platonic. nothing against gay demons bc in the nether homophobia doesn't exist

when proposing, they give their partner(s) a bouquet of wither roses and a wither skeleton skull. rings are exchanged after the ceremony and are always worn proudly and openly. to hide them was a sign u were uncertain abt the marriage, so it was looked down upon

when courting, knives with special inscriptions are given on the fourth date and only after that are they allowed to consider marriage

if a demon marries a non demon(s), their partner is immediately accepted into the family and given many gifts and usually introduced to demonic culture almost immediately as well. that's less a cultural thing and more just a common happening tho

quartz is a valuable material to them. when you give a demon quartz, it's like saying "I care deeply for you (in a family way, platonically or romanticly)" usually it's worn on their tails like a little bell. the more quartz, the more u care abt them