Spider Fang[]
The Spider Fang drops from Spiders uncommonly, and cannot be created synthetically.
It is used to brew the vanilla Potion of Haste. The hierarchy is similar to that of all other potions: redstone elongates, Pure Tear elongates the elongated potion, glowstone amplifies, Plagued Tear amplified the amplified potion.
A dropped Spider Fang.
The vanilla Awkward Potion and Spider Fangs brewed into the Potion of Haste.