In Goonzu there are 6 distinct classes Axe, Sword, Spear and Gun, Cane, Bow.
The first ones being melee and the latter range weapons.The following is a guide on the classes of luminary/goonzu

Axer

High Damage Slow Speed
Hits Every 1.4 Secs
Magic :
Hit Point : Increase Accuracy
Death Poison : Sends Out Poison Attack that slowly damages enemy.
Drain : Drains HP every Melee Attack.
Meteor : High Damage Magic
Skills:
Bravery : Increases Minimum Damage
Rage : Decreases Flinching Rate
Syncro Bonus:
Starting : Increase Damage
100 Percent : Increase Speed to 1.2 Seconds
Axe class hits high but slow, its a great class for hunting being able to two hit and 1 hit more mobs than any other weapon class. It is decent in PvP due to Drain and Hit Point. A spirit gives it a higher damage output and when 100 percent Synced allows the user to swing the axe faster.

Spear

Medium Damage Medium Speed
Hits Every 1.2 Secs
Magic :
Death Blow : Increase Critical Rate
Death Poison : Sends Out Poison Attack that slowly damages enemy.
Brain Dead : Lowers Enemy Critical Rate.
Dragon Raise : High Damage Magic
Skills:
Magic Wall : Increases Magic Defense
Power Boost : Increase's Attack at set Rate.
Syncro Bonus:
Starting : Increase Critical Rate
100 Percent : Increase Damage
Spear class hits decent at decent Speed, but its critical hits are insane, with spirit boost and Death Blow applied expect a Critical Hit every few attacks. Brain Dead is amazing in PvP, which makes spear a very very good melee class for PvP.

Sword

Low Damage High Speed
Hits Every 1 Second
Magic :
Striking : Increase Critical Rate
Death Poison : Sends Out Poison Attack that slowly damages enemy.
Aura Blade : Lower Damage Magic Attack
Dragon Raise : High Damage Magic
Skills:
Magic Guard : Increases Magic Dodge Rate
Soul Blade : Increase User's HP.
Syncro Bonus:
Starting : Increase Critical Rate
100 Percent : Increase Damage
Sword is a good class, it hits low but its speed makes up for that, Its second Skill is great, giving a good amount of Hp. Hitting an enemy with poison and hitting it with sword flinches the hell out of it.

Bow

Medium Damage High Speed
Hits Every 2.2 Seconds
Magic :
Hit Point : Increase Accuracy
Ice Trap : Sends Out Ice Attack that freezes enemy.
Triple Death : Lower Damage Magic Attack
Tri Meteor : High Damage Magic
Skills:
Vampire : Gives User Drain Effect that works every couple attacks
Amazon Eye : Increase User's Range.
Syncro Bonus:
Starting : Increase Accuracy
100 Percent : Increase Range
Bow is a capper's dream , with high hit rate you will be killing tons of mobs. Its Triple Death and Vampire make it easier to kill mobs. To top it all off Bows look Sick !!!

Gun

High Damage Medium Speed
Hits Every 2.4 Seconds
Magic :
Wide Vision : Increase Range.
Ice Trap : Sends Out Ice Attack that freezes enemy.
Cannon : Increases Attack Speed
Time Breaker : High Damage Magic with additional slow effect.
Skills:
Focus : Increases Accuracy
Meditation : Decreases cool down time between Magic Attacks.
Syncro Bonus:
Starting : Increase Damage
100 Percent : Increase Range
Gun is great all around hunting, capping, PvPing. Its Wide Vision and Cannon go great together, and the addition effect off its Time Breaker is a god send. Meditation and Focus are great to.

Cane

Low Damage High Speed
Hits Every 1.6 Seconds
Magic :
Fire Ball : Low Damage, but High Speed
Energy Wind : Low Damage, but High Speed
Thunder Bolt :Low Damage, but High Speed
Death Poison : Sends Out Poison Attack that slowly damages enemy.
Ice Trap : Sends Out Ice Attack that freezes enemy.
Whirl Pool : Whirlpool attack that hits 3 times.
Cross Flame : Area Effect Damage
Quick Mana : Increases Magic Recovery
Gain : Increases HP
Skills:
Mental Strength : Increases Users MP
Magic Mind : Decreases MP costs of Magic Attacks.
Syncro Bonus:
Starting : Increase Magic Power
100 Percent : Increase MP recovery
Cane is the hardest Class to use but is the strongest in PvP, with poison and freeze being able to be fixed with medicine. Whirlpool is the strongest Magic Attack Around, but the uberness in PvP comes at a heavy cost in being that cane is hard to lvl.