Vanguard leveling is made possible through gaming sites .. While you are away from your computer, an experienced team of players will be able to complete quests, train your character so they can advance to higher levels, and help you discover secret items and other valuables you might never how known about otherwise. Having an expert on your side makes playing Saga of Heroes more exciting and fun. 
When you are playing Sage of Heroes at a lower level than most players, you are limited in what you can accomplish.
Vanguard leveling is one way for you to level the playing field. Using experienced players to increase strength, power, and agility, you will be able to join in on more quests, you will be able to perform more tasks, and you will be able to defeat more enemies.