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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    17 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
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      5717 days ago

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

      • @scarabic@lemmy.world
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        316 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
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        917 days ago

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

        • @monarch@lemm.ee
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          17 days ago

          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.

        • SharkAttak
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          416 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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            316 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.

        • Gloomy
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          1417 days ago

          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.

          • zqps
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            216 days ago

            defnetly

            That’s a new one.

            And the commonly accepted authority on the definition of mental illnesses is the Diagnostic and Statistical Manual of Mental Disorders. The current edition is referred to as DSM-5.

            • Gloomy
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              216 days ago

              The ICD-10 is used in Europe and the DSM-5 in America. In that sense we are both correct.

              • zqps
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                316 days ago

                Who’s to say pedantry is useless? I’m learning new things!

  • 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.

  • @kerrigan778@lemmy.world
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    416 days ago

    Thallium was pretty famous for this until its mechanism of toxicity and antidotes were better understood. Slow acting, tasteless, odorless, colorless, symptoms weird and mimic other things. Used to be used for rat poison but the risk of accidental exposure was too high. Requires late 1800s technology.

  • bluGill
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    2318 days ago

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

  • @CrazyLikeGollum@lemmy.world
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    1417 days ago

    Depending on your setting and desired outcome for the poisoner, uraninite (aka pitchblende) might be an option. It has historical uses in glass making and pottery glazing, which could provide justification for why someone would have it.

    It contains Uranium, which is radioactive, but I don’t believe will bioaccumulate, but can build up on surfaces, tools, and clothing providing a source of long-term radiation exposure. In addition, it contains lead, which does bioaccumulate, providing a source of gradual long term poisoning as well as radium which also bioaccumulates and is radioactive, providing an additional source of longterm radiation exposure.

  • MyTurtleSwimsUpsideDown
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    2317 days ago

    What do you mean by slow? Time till symptoms? time till death? Hours? Days? Weeks?

    Raw castor beans contain ricin its a cool looking plant that gets big. My neighbor grew on once accidentally.

    symptoms commonly begin within two to four hours, but may be delayed by up to 36 hours.

    Unless treated, death can be expected to occur within 3–5 days; however, in most cases a full recovery can be made.

    Actually a lot of beans are toxic when raw, but not deadly. Raw lima beans are special though; they contain something that the human body breaks down into cyanide. No clue how long that takes or how many it would take to cause harm.

    Heavy metals (mercury, arsenic, cadmium, lead) are known for building up over time with many exposures. Think mad hatter syndrome, etc. but exposures can also be acute if high enough. IIRC acute arsenic poisoning makes you vomit and diarrhea until you die of dehydration after days or weeks.

  • @rosco385@lemm.ee
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    1117 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.

  • dohpaz42
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    217 days ago

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

  • @brokenlcd@feddit.it
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    1118 days ago

    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.

  • @Treczoks@lemmy.world
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    817 days ago

    Mushroom poisons usually are slow actors. They take a few days while they kill your liver, and then you’ll follow suit.