Hollow Knight Silksong: How to Negate Poison - Wreath of Purity Location

In Hollow Knight: Silksong, you can be afflicted with a poison status effect by falling into Muckmaggot water. There is a tool that you can find which negates this effect though, called the Wreath of Purity. You can find it in the Putrified Ducts during Act 2, and this video will show you how to unlock the area, where to find the Putrified Ducts map and where to find the Wreath of Purity to cure poison.