PEAK’s final major update has garnered quite some attention from the community as it contains several gameplay elements and collectibles, including the Exorcist badge. It can be unlocked by burning up the Big Ghost in the new Gloom Biome that otherwise puts you to sleep. AdThis article further discusses how you can burn up the Ghost and unlock the Exorcist badge in PEAK. How to burn up Ghost and unlock Exorcist badge in PEAKBurn up the Ghost to unlock the Exorcist badge (Image via Landfall Games || YouTube/ @MonkeyKingHero)As specified, you will encounter the annoying Ghost while exploring the swamp area within the Gloom Biome in PEAK. Burning up the Ghost using either of the methods, will unlock the new Exorcist badge in PEAK.