God Class-Up (ゴッドクラスアップ,Goddo Kurasu Appu) is a special skill exclusive to the Hero Avatars characters in Dragon Ball Heroes. Using this ability, players can promote their Hero Avatar(s) from the Super Class.
The skill increases the abilities and attributes of the Hero Avatar and changes their appearance. When used by a Saiyan avatar for example, the Saiyan avatars gain the ability to become a Super Saiyan God, the other avatars gain their own transformation and an increase in power. In addition, they also gain new clothes or some differences in their outfits are provided for all the avatars.