2) It is interesting to note that unlike its predecessors, Dragon Quest IX has only one save slot available.
3) The name Aquila is a Latin word for "eagle." It is also a name of one of the 88 constellations that symbolizes an eagle.
4) Corvus means "raven" in Latin, which is a symbolic reference to one of the 88 constellations that bears his name.
5) The monster Hell Niño is a pun for the word "El Niño." A climate pattern oscillation that causes extreme weather condition such as heat, drought or flood in certain parts of the world.
6) Serena is a common feminine name taken from a Latin word serenus, which literally means "bright, joyous, clear or fair."
7) Apus is a name of a constellation that symbolizes the "Bird of Paradise." During the Ming Dynasty, a Chinese astronomer mixed some stars of the constellation Octans with Apus and named it the "Exotic Bird."
8) Dragon Quest IX's gameplay is considered by many fans and even the developers as the hardest game in the series when compared to its predecessors.
9) Dragon Quest IX is the 10th game in Famitsu's list that received a perfect score of 40/40. A score hardly reached by any other games.
10) Erinn's name in Japanese version is Rikka. It literally means "snow" or "the first day of summer."
11) Wormwood is a name given to a creek and a canyon in the game. In the Bible, it is a name of a star prophesied to fall on earth that will eventually cause bitterness to mankind. Thus, the word itself literally means "bitter."
12) The name Magmalice is obviously a portmanteau word for "magma" and "malice."
13) Gittish Empire is probably a pun for British Empire, while Gittingham Palace is a pun for Buckingham Palace in London.
14) Although an Atlas is portrayed as a one-eyed giant, yet in mythology he is not even a cyclops. In Greek myths, Atlas is a primordial titan who bear the world on his back. He once helped the hero, Heracles (Roman Hercules) to fetch a golden apple that can only be found in Hera's garden.
15) All predecessors of Dragon Quest IX are not in 3rd person gameplay. This is the first title in the main series that follows the gameplay mechanics of Dragon Quest Monster Joker.
16) Prior to its official release on July of 2009, Dragon Quest IX had already sold over 2 million copies from pre-order sales alone.
17) One of the most powerful sword in Dragon Quest IX is called the Erdrick's Sword. Erdrick is a warrior from Dragon Quest series who was mentioned in Dragon Warrior 1 and 2. He appeared in Dragon Warrior 3 as the main protagonist of the game.
18) Fenrir Fang is a dagger that emits icicles when used in battles. The name Fenrir is a reference to a wolf in Norse mythology. He will play a major role in the 'twilight of the gods' known as Ragnarok.
19) Gladius in Dragon Quest IX is categorically identified as a dagger. In history, however, Gladius is actually a type of short sword used by Roman soldiers in battles.