Vile Powder

Vile Powder is a consumable weapon that sprinkles an area with particles, each of which do damage to enemies on contact. This item is good against Slimes as they will jump and stand still within the area as well as being handy on Bosses. Each 5 Vile Powder are crafted from a Vile Mushroom at an Alchemy Station, and it is also sold by the Dryad NPC during a Blood Moon.

Vile Powder can be combined with Rotten Chunks at a Demon Altar to craft Worm Food, an item used to summon the Eater of Worlds. It can be used on a Bunny to create a Corrupt Bunny or on a Goldfish to create a Corrupt Goldfish. Vile powder can be used with Throwing Knives to upgrade them to Poisoned Knives but Vile Powder not inflicting poison may mean that it only causes poison when added with metal.

It is essentially the opposite of Purification Powder. It can be used to return hallowed blocks to normal, such as pearlstone to stone or pearlsand to sand.

History
Poudre vile