The Ascension of Christ: when he had Atoned for Sin
Source: TTT
Hebrews 9:12
He did not enter by the blood of goats and calves, but He entered the Most Holy Place once for all by His own blood, thus securing eternal redemption.
Hebrews 10:12
But when this Priest had offered for all time one sacrifice for sins, He sat down at the right hand of God.