There are different skills for the different classes of profession.
The two talents trees for warriors is the Mars tree and the Guard tree. The Mars tree focuses mainly on damaging and is useful in both PvP and PvE. The Guard tree focuses on guarding (hence the name) and is useful also for both PvP and PvE.
Slow attack at the beginning, but in the end is the strongest character
There are two mage skills trees. Ace (Ice) and Magic (Fire). The Ace tree consists of attacks with decent damage that slow the enemy as an additional side-effect. The Magic tree focuses on heavy-damaging magic skills that burn enemies as an additional side-effect.
Two different talent to choose from Holy and Darkness.