Searxng/The Boys Fort Harmony Qui TV In *The Boys* Season 5, Episode 4, a grotesque human-plant hybrid named Quinn terrorizes Fort Harmony, unraveling trust among Homelander, Soldier Boy, and th... April 23, 2026 AceShowbiz - In Season 5, Episode 4 of The Boys, titled "King of Hell," viewers are introduced to a chilling new figure named Quinn, portrayed by Kris Hagen. This episode takes the story deep into the abandoned Vought facility known as Fort Harmony, infamous for the V-One trials that tested superhuman subjects, including Soldier Boy.