NET
21 so that just as sin reigned in death, so also grace will reign through righteousness to eternal life through Jesus Christ our Lord.
Darby
21 in order that, even as sin has reigned in [the power of] death, so also grace might reign through righteousness to eternal life through Jesus Christ our Lord.
KJV
21 That as sin hath reigned unto death, even so might grace reign through righteousness unto eternal life by Jesus Christ our Lord.