Nokturnus

"No mortal commands me... I obey only my own dark urge to reduce all to nothing."

- Nokturnus in Dragon Quest VI "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 and one of the most merciless, powerful and brutal villains in the Dragon Quest role-playing videogame franchise. This dreadful figure presents himself as an entity with no master and with the sole desire of returning everything to nothingness. He originated as an optional super boss who appears in Dragon Quest VI, both for Super Famicom and Nintendo DS.

Dragon Quest VI
Nokturnus is first encountered as the demon that the king of Castle Graceskull in the Dream World tries to summon in order to stop the Archfiend. Things don't go as planned, the brutal demon refuses to take orders from anyone and he ends up burning the whole castle. The heroes are returned to the Real World where the castle is already destroyed, its tragic fate can be experienced again and again if the hero enters the well. He serves as the game's most powerful opponent, surpassing even DQVI's final boss in difficulty, he resembles a humanoid warrior with a powerful staff/spear weapon. Nokturnus can attack with a vast array of abilities 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.