The Executioner is a difficult boss in The First Descendant who has both a Normal Mode and a Hard Mode. It is one of the Void Intercept Bosses, and while it is not the highest-level boss, it is one of the ones you can also fight in Hard Mode. In the main game, it is the third Boss you can face in this mode, while it is the first boss you can face in the post-game in Hard Mode.