Malroth

Malroth (Sidoh in the remakes) is the final boss of Dragon Quest II after Hargon the Sorcerer is defeated.

Malroth is, in a nutshell, the leader of everything evil in this land. He is the true being that causes the chaos to spread one town to the next, the destruction of the once beautiful forests and rivers, and he is the one behind attempted-annhilation of Moonbroke and all of its citizens, of course leaving the Princess alive, and able to get her revenge upon the demon.

The three of the brave warriors must face him in the end of Dragon Warrior/Dragon Quest II to restore full peace to the lands. He uses strong spells such as Explodet, and he will make your party members faint time to time. His HP is really no higher than that of Hargon the Sorcerer's.