My own theories on how the oils work, Inspired by a discussion I had on another thread about Relict oil.
Beast Oil: A poison specially developed to be lethal to beasts.
Cursed Oil: Contains Wolfsbane, Which, as everyone knows classical myth is deadly to werewolves, but also the real plant has neurotoxins, something like a werewolf, that relies on instinct and reflexes are probably in for a bad time.
Draconid Oil: A specialised Reptile poison.
Elementa Oil: Assumed to have traces of Dimeritium, disrupting the magical field that keeps most Elementa together and functioning.
Hanged Man's Venom : Seems to be a common poison rather than a specialised Witcher Oil.
Hybrid Oil: White Myrtle seems to affect balance, being a mild hallucinogenic, and with most Hybrids featured in W3 being flyers, something that upsets their balance is very useful against them.
Insectoid Oil: Ranogrin is used in most tiers so assuming it is a natural pesticide.
Necrophage Oil: Necrophages are mentioned to be resistant to most poisons due to their living conditions, I assume that Necrophage oil contains one of the few poisons they aren't resistant to, another possibility is that it contains a dehydrating agent, seeing that most necrophages seem to be based in cold damp climes.
Ogroid Oil: Being that the main ingredient is also used in cloud explosives, I assume this Oil is caustic to organics, being that Ogroids tend to be thick skinned beings such as giants and trolls, it allows the sword to cut deeper by softening up the thick skin, rather than a poison.
Relict Oil: It seems to be a super poison, being that Relicts are varied, but they have one common feature, they are all pre-conjunction creatures, Relict Oil may have been developed to deal with Relicts due to their shared history, most are connected to nature rather closely, as seen by things like the Leshen, their tie to Mistletoe (of which the oil contains) is not as mystical as Specters, but due to Mistletoe actually being a poisonous, parasitic plant, which when mixed with the other ingredients (which we are never told, probably because the Devs didn't want us making it in reality) chokes them, due to Mistletoe creating a cement like compound.
Specter Oil: Contains mistletoe, which in druidic folklore protected against evil spirits, also in christmas tradition was symbolic of "life that does not die" due to it's evergreen leaves, basically the exact opposite of what specter is, being wholly supernatural beings even by the standards of the Witcher, it makes sense that druidic folklore would actually work, I also assume it contains traces of silver, like the moon dust bomb to disrupt the specters ability to phase, being that even though you use a silver sword, leaving sliver traces on the specters body probably hurts as well.
Vampire Oil: Contains Ducal water, which is mentioned to be a Solvent, being that vampires have a hemo-digestive system, Ducal Water may be a blood thinner, disrupting their digestive processes.
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- How do I make Poisoner (UA) actually work in a campaign with nothing but poison immune enemies?
More about The WitcherPost: "How The Oils work." specifically for the game The Witcher. Other useful information about this game:
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