You can find these mobs in:
Red Thief Amazon
Brutal Red Thief Amazon
Red Thief Assassin
Brutal Red Thief Assassin
Red Thief Magician
Brutal Red Thief Magician
Red Thief Executioner
Brutal Red Thief Executioner
Black General
White General
Bone Face
Brutal Bone Face
Red Chief
Brutal Red Chief