NET
2 in which you formerly lived according to this world’s present path, according to the ruler of the domain of the air, the ruler of the spirit that is now energizing the sons of disobedience,
Darby
2 in which ye once walked according to the age of this world, according to the ruler of the authority of the air, the spirit who now works in the sons of disobedience:
KJV
2 Wherein in time past ye walked according to the course of this world, according to the prince of the power of the air, the spirit that now worketh in the children of disobedience: