en_tn_lite_do_not_use/eph/02/15.md

he abolished the law of commandments and regulations

Jesus' blood satisfied the law of Moses so that both the Jews and Gentiles can live at peace in God.

one new man

a single new people, the people of redeemed humanity (See: rc://en/ta/man/translate/figs-metaphor)

in himself

It is union with Christ that makes reconciliation possible between Jews and Gentiles.