The Final Boss of each Dragon Quest game is unique as they each have different forms in battle.
List of Final Bosses
The Final Boss of the very first Dragon Quest game is the Dragonlord. Before the game starts, he stole the Ball of Light to conceal the kingdom of Alefgard in a veil of darkness. That all came to an end when the descendant of Erdrick came to Charlock Castle and defeated him in battle.
The Final Boss of Dragon Quest III is Zoma. Having traveled to Alefgard after the defeat of the Baramos, the party confronts his master and vanquish with the Ball of Light, thus setting the stage for the other games in the Erdrick trilogy.
The Final Boss of Dragon Quest IV is Psaro the Manslayer. The demonic transformation of the game's main villain, Psaro. This devil is obsessed with unleashing the power of Estark and making it his own. After becoming the ultimate life form,
The Final Boss in the remake of Dragon Quest IV is Aamon, an evil High Priest and assistant to Psaro.
The Final Boss in Dragon Quest VI is Mortamor. After two confrontations with the party in separate forms, the Demon King sheds his body apart and attacks with his head and hands. However, even after becoming more powerful, Mortamor is still no match for the Hero and his party. Everyone soon rejoices the heroes' victory over the evil Devil lord.
The Final Boss in Dragon Quest VII is Orgodemir. After being revealed for impersonating God, the Demon Lord escapes into the Dark Palace awaiting his enemies in the throne room. Upon his ultimate defeat, Orgodemir curses God and all those who follow him and disintegrates.
The Final Boss in Dragon Quest VIII is Lord Rhapthorne. After his first defeat, Rhapthorne transforms into a stronger being: a large devil looming over the land. However, his reign of terror wouldn't live long enough as he is defeated by the party.
- The legacy boss of DQ8 is the lord of the Dragonians, in every form the Hero has faced him in.
Awakening of the Five Tribes
The first Final Boss in Dragon Quest X is Beast Hades Nelgel, the giant demonic form of Hades Nelgel. After failing to defeat the Hero/Heroine, he transforms himself into his giant form in a desperate attempt to gain the upper hand. Upon his second defeat, he warns of dark powers beyond his control before dying.
The Sleeping Hero and the Guided Allies
The second Final Boss in Dragon Quest X is Divine Creator, Madesagora, the draconic form of Madesagora. He was the one responsible behind Hades Nelgel's actions, and it is revealed that what you thought was Rendashia you were travelling in, was in reality an illusion created by him.
The Final Boss in Dragon Quest XI is Calasmos. He travels back through time alongside the Hero (who was unaware of Calasmos traveling alongside him) to thwart Mordegon and reclaim his physical body (which was destroyed by Mordegon in the original timeline). He would be defeated for the second time, but this time his body would be destroyed for good.
The final boss in the second Dragon Quest Monster Joker spinoff is Malevolynx. This is the corrupted form of the island hero Leonyx.