The Knight is the protagonist of the action-adventure game Hollow Knight. It is a small, silent, and mysterious insect-like creature exploring the ancient, ruined kingdom of Hallownest. The Knight is tasked with uncovering the mysteries of this kingdom and confronting the infection that plagues it. It wields a nail, which acts as its primary weapon, and can learn various abilities throughout the game. As a character, The Knight embodies resilience and determination, and its journey is central to the player’s experience in the atmospheric and challenging world of Hollow Knight.