en_tn/eph/02/02.md

according to the ways of this world

The apostles also used "world" to refer to the selfish behaviors and corrupt values of the people living in this world. AT: "according to the values of people living in the world" or "following the principles of this present world" (See: rc://en/ta/man/translate/figs-metonymy)

the ruler of the authorities of the air

This refers to the devil or Satan.

the spirit that is working

"the spirit of Satan, who is working"