Hebrews 9:7, 12, 24-25

But into the second part the high priest went alone once a year, not without blood, which he offered for himself and for the people’s sins committed in ignorance

Not with the blood of goats and calves, but with His own blood He entered the Most Holy Place once for all, having obtained eternal redemption.

For Christ has not entered the holy places made with hands, which are copies of the true, but into heaven itself, now to appear in the presence of God for us; not that He should offer Himself often, as the high priest enters the Most Holy Place every year with blood of another