There are seven character classes in the game. The main differences between the classes are what spells you get access to,
and the amount of HP/MP/strength/dexterity you gain per level. Below is
a basic outline of each of the character classes.

• High hit points
• High magic points
• Low strength
• Low dexterity
• Medium travel points
• Normal ability points
• 5 heal spells
• 5 hurt spells
• 4 sleep spells
• 3 +defense spells
• 1 +attack spells

• Notes: Sorceress has the majority of the spells, and the best spells in
  the game. They also have very high magic points and high hit points.
  Downside is her strength and dexterity but these are not needed
  for a Sorceress.

• Medium hit points
• Low magic points
• High strength
• Low dexterity
• Medium travel points
• Normal ability points
• 3 heal spells
• 3 hurt spells
• 3 sleep spells
• 3 +defense spells
• 3 +attack spells

• Notes: The Barbarian has very high strength for maximum damage with a
  medium amount of hit points. Downsides of the Barbarian are that they
  don't get many good spells and have low dexterity.

• Medium hit points
• Medium magic points
• Low strength
• High dexterity
• Medium travel points
• Normal ability points
• 4 heal spells
• 4 hurt spells
• 4 sleep spells
• 2 +defense spells
• 2 +attack spells

• Notes: The Paladin has high dexterity for maximum agility along with
  medium hit and magic points. Downsides are the low strength.
  

• Low-Medium hit points
• Medium-High magic points
• Low strength
• High dexterity
• High travel points
• Normal ability points
• 2 heal spells
• 5 hurt spells
• 2 sleep spells
• 2 +defense spells
• 3 +attack spells

• Notes: The Ranger has high dexterity and high travel points for
  maximum agility and traveling across the lands of Mythical Wars.
  Downsides are low hit points and low strength.

• High hit points
• High magic points
• Low-Medium strength
• Low dexterity
• Medium travel points
• Normal ability points
• 2 heal spells
• 4 hurt spells
• 3 sleep spells
• 3 +defense spells
• 2 +attack spells

• Notes: The Necromancer is very similar to the Sorceress. It has
  some of the best spells (mainly attack and defensive
  curses) and high hit points. Downsides are its low dexterity.

• Medium hit points
• Low magic points
• High strength
• Low dexterity
• Medium travel points
• Normal ability points
• 3 heal spells
• 3 hurt spells
• 2 sleep spells
• 2+defense spells
• 2+attack spells

• Notes: The Druid is similar to the Barbarian, it has very high
  strength for maximum damage with a medium amount of hit points.
  This character is an all rounder-type character.

• Medium hit points
• Medium magic points
• High strength
• High dexterity
• High travel points
• Normal ability points
• 2 heal spells
• 5 hurt spells
• 1 sleep spells
• 1+defense spells
• 2+attack spells

• Notes: The Assassin has very high strength for maximum damage and
  is very similar to the Ranger with high dexterity and travel points.
  Downsides are that they don't get much magic points to use their
  unique spells.