Half-truth is not truth; yes, Jesus has sat at the right hand of the Father after completing His mission, but the bible clearly states in the book of Hebrews that He is a High Priest. The new creation is not expected to be under dominion of sin but when we accidentally sin because of the weakness of the flesh, deceptions of evil spirits, ignorance, and spiritual immaturity, it is the blood and the name of Jesus that we are granted repentance with. Although sin has been eradicated by the work of the cross, the full stature and practice of this spiritual truth is not found in all believers or at all times. Therefore, there is still a need for repentance when we fail short of the privileges of being a new man in Christ.