Bukkit

# Normal --> Dwarf --> MasterDwarf
#       \--> Elf --> MasterElf
#       \--> Human --> MasterHuman
#       \--> Beast --> MasterBeast

Normal:
    default: true
    permissions:
    - normal.permissions
Dwarf:
    inheritance:
    - Normal
    permissions:
    - dwarf.permissions
MasterDwarf:
    inheritance:
    - Dwarf
    permissions:
    - master.permissions
Elf:
    inheritance:
    - Normal
    permissions:
    - elf.permissions
MasterElf:
    inheritance:
    - Elf
    permissions:
    - master.permissions
Human:
    inheritance:
    - Normal
    permissions:
    - human.permissions
MasterHuman:
    inheritance:
    - Human
    permissions:
    - master.permissions
Beast:
    inheritance:
    - Normal
    permissions:
    - beast.permissions
MasterBeast:
    inheritance:
    - Beast
    permissions:
    - master.permissions

ladders {
    Dwarves {
        Normal {
            rank = '3'
        }
        Dwarf {
            rank = '2'
            mining = '10'
        }
        MasterDwarf {
            rank = '1'
            mining = '100'
        }
    }
    Elves {
        Normal {
            rank = '3'
        }
        Elf {
            rank = '2'
            archer = '10'
        }
        MasterElf {
            rank = '1'
            archer = '100'
        }
    }
    Human {
        Normal {
            rank = '3'
        }
        Human {
            rank = '2'
            swords = '10'
        }
        MasterHuman {
            rank = '1'
            swords = '100'
        }
    }
    Beasts {
        Normal {
            rank = '3'
        }
        Beast {
            rank = '2'
            unarmed = '10'
        }
        MasterBeast {
            rank = '1'
            unarmed = '100'
        }
    }
}