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. Timecodes: 00:00 - Intro 00:34 - Starting out from Songclave 00:47 - Traveling through Memorium 01:44 - Finding the Secret Exit out of Memorium 02:29 - Traveling through the Putrified Ducts 03:34 - Putrified Ducts Map Location 03:53 - More Putrified Ducts Travel 04:52 - How to Find the Wreath of Purity 05:59 - How the Wreath of Purity Works #HollowKnightSilksong #Gaming #IGN