🔥Nightmare King🔥

Intro Grimm, also known as the Nightmare King, is a supporting antagonist in Hollow Knight, serving as the titular main antagonist of "The Grimm Troupe" DLC. He is the villainous leader of the mysterious Grimm Troupe, a group of performers who seek to collect the flames of the fallen kingdom of Hallownest in order to prolong the Nightmare's Heart, a process the Troupe calls "The Ritual", and manipulates the Knight into doing his bidding.