en_tn/eph/01/19.md

what is the exceeding greatness of his power

God's Power is far beyond all other power.

the working of the strength of his power

"his great power that is at work for us"

seated him at his right hand

"seated Christ at God's right hand". This is the highest place of honor. (See: rc://en/ta/man/translate/figs-idiom)

in this age

"at this time"

in the age to come

"in the future"

far above all rule, authority, power, dominion

These are different terms for the ranks of supernatural beings, both angelic and demonic. Alternate translation: "far above all types of supernatural beings."