Blade is a second job choice for level 60 Mercenaries,which mostly becomes dexterity in Flyff.While knight is another job available for a level 60 Mercenary.
Blades, aiming for the kill, attack quickly and powerfully with dual-wield. A blade can use a Swords and Axes,when not dual-welding,may use shields.They keep up the mercenary self-buffs blazing sword,sword mastery or smite axe and axe mastery. Besides blades usually have lower defense and HP,compared to other classes in the same level.Blades' melee attacks are more powerful with higher strength.While their skills are strengthened with higher dexterity.
You need to complete the second job change quest,before you can become blades. There are four parts in Blade job change quest,you need to finish a specific task in each part to be performed successfully to reach the next part.Finally,as a new blade,you will become the greatest warrior in Flyff.