Bezoar

Bezoar is an accessory found in the Underground. It has a 1% chance to be dropped off of Toxic Sludges, Hornets and Moss Hornets. When equipped, this item grants immunity from any Poison debuffs.

Trivia

 * A bezoar is a lump of organic and inorganic mass trapped in the digestive system, historically believed to have antibiotic effects.
 * It is possible to get Bezoar pre-Hardmode in the underground jungle.