Engage the Hollow Knight after acquiring the Void Heart charm and after Hornet intervenes, keep attacking the Hollow Knight until it is defeated. Start by defeating the Hollow Knight without having acquired the Void Heart charm, then continue (from your last save point). It is possible to get all three endings on a single save file as after reaching an ending, you can continue your save file from prior to engaging the Hollow Knight. Defeat Radiance to complete the game and this achievement will unlock after the ending scenes and credits. Quickly hit the Hollow Knight with the Awakened Dream Nail (hold ) and you will be taken to a new area where you will fight Radiance, the game's true final boss. Near the end of the Hollow Knight fight in the Temple of the Black Egg, Hornet will swoop in and fracture the Hollow Knight's shell with her needle before restraining it.

The Secret Achievement achievement in Hollow Knight: Voidheart Edition worth 91 points Continue playing to unlock this secret achievementĮnding 3 (for this achievement): Collect both pieces of the Kingsoul charm so that you can then obtain the Void Heart charm.

Dream boss hollow knight