Ardyn actually wanted Noctis to get stronger. Killing Luna was one way to anger Noctis more and thus motivating him to come after him. ... 1: Noctis defeats Ardyn and thus he has to sacrifice his life(Noctis' family line is cut this way) in order to truly kill him forever. Ardyn finds the peace of the death he wanted.

Did ardyn kill Lunafreya?

The covenant with Leviathan did not kill her because Luna did not forge covenants with all of the Six. She forged with Shiva, Titan, Ramuh and then Leviathan. ... She would have died from it. Ardyn stabbing her to death while she was already in a severely weakened state is what proved her undoing.

Why did ardyn become evil?

Although at first manipulated by the Niflheim Empire, Ardyn ended up becoming the far, far greater evil as from the beginning he had known it was merely using him and instead of allowing himself to be a pawn, he made the Emperor and Verstael the pawns in his game instead.