The pure evil embodiments of protagonists' weaknesses living in their brains (Ouriel's toughts of losing hope out through isolation and a pandemic and Player's desire to vanquish everyone and everything in sight) whose have a reality-bend abilities in their own worlds (Boisvert universe and corrupted version of Player's mindscape), are the master manipulators (e. g. HATRED manipulated Player while being disguised as Builderman) and are the mostly/fully main antagonists of these fictions (Room's real motivations remain unknown while HATRED is heavily rensposible for The Voices in heads of wielders of SFOTH swords).