|1st||Weakness to Poison|
Poison is an extremely rare ingredient—only two samples exist, one in Mudan, Right Tower, and one in Palansour. It is identical to Corprus Weepings in appearance, though not effects. It is the only ingredient for which all four effects are negative (though Corprusmeat, which only has three effects, shares the property of having only negative effects). The other interesting thing about Poison is that three out of four of its effects are found only on Poison, and nothing else. This means that it is impossible to ever experience two of these effects, since you need them to be shared on two ingredients to show up in a potion. (The Weakness to Poison effect can be experienced by eating Poison straight.) This ingredient serves little purpose other than as a curiosity, since it is effectively useless.