Nokturnus

"Brutal bad-dream demon from another dimension. So strong that he makes Mortamor seem more like Snoretamore!"

- Dragon Quest IX Bestiary

Nokturnus, sometimes translated as Dark Dream, is an important figure in the Dragon Quest franchise. He originated as an optional super boss who appears in Dragon Quest VI, both for Super Famicom and DS. This dreadful figure presents himself as an entity with no master and with the sole desirte of returning everything to nothingness.

Dragon Quest VI
He serves as the game's most powerful opponent, surpassing even the story's official final boss in difficulty, he resembles a humanoid warrior with a powerful staff/spear weapon. Nokturnus can attack with a vast array of powers such as Leap Attack, Double Slash, Eye Beams, Trance, BiKill, Dragon Cut, Metal Cut, Wind Slash, Breath Attack, Blazemost, Scorching Breath, Ice Crystals, Lightning, Grand Cross and Freezing Wind.

Other appearances
He makes an apparance in Dragon Quest IX as a Legacy Boss and in Dragon Quest Battle Road Victory as the leader of all the villains.