Paths:
They are jobs that the beings of this world will be inherited by the holy churches and these "jobs" will be leveled by what there path is suppose to be; for example a butler must do housework and listen to the orders of their lord or master. Then they will evoled into a higher form of there original path.
[Monsters]
They have there own way of leveling up by killing other creatures and going by a certain level they evole for example, A goblin to a hobgoblin which in turn into a orc but sometimes the way how they evole affects what they become.