And before anyone makes a cheeky “what do you need this for 🤨” comment, I’m a writer. I’m not going to murder anyone I promise, I just want to write a scene where one guy gets poisoned.

I need something that doesn’t require modern technology to extract/produce, and would make sense to be avaible in a place with a temperate to mediterranean climate. The slower, the better. Does a plant or something like that exist or do I need to make one up?

Update: I looked into death cap mushrooms and they might be just what I’m looking for! Long reaction time, and being dried doesn’t make them less toxic! (the scene takes place in midwinter so no fresh ones would be avaible) If anyone has more info on them, please do share.

  • Hobo@lemmy.world
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    7 days ago

    In almost every case in fictional writing it’s better to make up a poison then use a real one. That way you don’t have someone picking it apart later. Also you can give it whatever properties you want/need. Now excuse me while I continue to work on my immunity to iocane powder.

    • SharkAttak@kbin.melroy.org
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      7 days ago

      They’re gonna pick it apart anyway. A reader criticized the historical accuracy of a fantasy novel my sister wrote.

        • SharkAttak@kbin.melroy.org
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          6 days ago

          Not even that, (in a medieval-fantsy setting) one criticized the use of archer for defense, another wanted for her to write the exact years the events happened… Another one asked why one nation had an italian-sounding name, while the bordering countries had foreign-like names, and different languages! (hello, ever been to Europe?) @monarch@lemm.ee (is this how I mention someone?)

          • monarch@lemm.ee
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            5 days ago

            that is indeed how you mention someone. Yeah being pedantic for the sale of it isn’t something I understand. Unless it impacts my ability to enjoy the story I couldn’t care less.

        • monarch@lemm.ee
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          I have read some novels where their history straight up breaks if you think about it for too long. Not saying this happened in this case but I read a fantasy novel that had a history that implied that people existed in the wrong times. Like this person was said to have died in X year yet someone met someone who was born in X+100 years.

      • scarabic@lemmy.world
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        6 days ago

        I’ve never seen anyone even think twice about the Tears of Lys or The Strangler. And after Milk of the Poppy, it’s established that we may expect some similarity to reality in this world.

      • HubertManne@piefed.social
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        7 days ago

        I knew a guy I was working summers with in college. Said he did not like roger rabbit because it was unrealistic.

        • Gloomy@mander.xyz
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          Mental illnesses are very clearly defined, for example in the ICD-10 puplished by the WHO. Pedantry is defnetly not listed in there.

          And yes, this was an attempt of humour.

  • werefreeatlast@lemmy.world
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    7 days ago

    At work I learned that cyanide is actually very dangerous because it accumulates its effects. Like you have a little now and a little later, then suddenly you can’t get up from bed so you call in sick. Its dangerous stuff.

    • SanguinePar@lemmy.world
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      Pretty sure there’s at least one Agatha Christie novel that uses that idea. A little here, a little there…

      Although, actually, maybe it was the other way round, like someone was deliberately dosing themselves gradually to build up a tolerance. Something like that.

    • skillissuer@discuss.tchncs.de
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      6 days ago

      cyanide doesn’t accumulate, it can be broken down in some hours (very small amounts of course). otoh many heavy metals do behave this way, maybe you worked with both at the same time

  • RememberTheApollo_@lemmy.world
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    7 days ago

    Dimethylmercury.

    Two drops will kill you in a few months and nothing can be done. It penetrates clothing, regular latex gloves, and skin very easily and unnoticed.

    Pretty terrifying stuff. Not sure you’d be able to figure out availability or production in your plot, but as far as poisons go you’d be set for time between dose and death.

  • brokenlcd@feddit.it
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    For that i think having a read about acqua tofana would be a pretty good source of inspiration, since it was designed to have effects like an illness. it originates in italy so most of it’s ingredients are by default from a mediterran climate.

    Or if you want something natural without too mutch human processing, belladonna is a surefire, but not slow acting.

  • dohpaz42@lemmy.world
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    7 days ago

    Apple seeds contain cyanide, and are easy to get in quantity without raising suspicion. How long does it take? No idea.

  • ChonkyOwlbear@lemmy.world
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    There was a theory a while back that Napoleon died from arsenic poisoning due to the damp Mediterranean climate causing the decay of a green wallpaper using an arsenic based dye. It didn’t end up being entirely true but he may have been slowly poised by environmental arsenic throughout his life. Here is an article about it.

    Arsenic is a naturally occurring element in the Earth’s crust as metallic crystals or combined with other elements. Being a heavy metal, arsenic bioaccumulates. That is, it builds up in the body over time, so slow poisoning is possible.

  • bluGill@fedia.io
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    7 days ago

    As a writter you should get enough details wrong that someone trying to follow your recipie fails. Ideally they are also caught.

  • rosco385@lemm.ee
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    6 days ago

    Apple seeds contain cyanide. You’d have to crush and eat anywhere from 150 to a few thousand seeds for it to be fatal though. I’m sure that hasn’t stopped authors from using it before.

  • ornery_chemist@mander.xyz
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    Arsenic is a classic murder poison. It’s been known since anciemt times, though possibly unsuited to your onset requirement. Acute poisoning by ingestion is generally within a few hours, but if your character sustains lower doses over time, you could probably draw out the timeline to whatever you wanted. It would be obvious that the character is unwell during this time, but the symptoms aren’t super specific and could be confused with e.g. food poisoning.

    Or just invent a mushroom like others said. The toxins are diverse enough that I doubt anyone would be too upset if you tuned it exactly to your timeline and desired symptoms.