Galatians 3:13
Christ has purchased our freedom from the curse of the Law by becoming accursed for us--because "Cursed is every one who is hanged upon a tree."
Titus 2:14
who gave Himself for us to purchase our freedom from all iniquity, and purify for Himself a people who should be specially His own, zealous for doing good works.
1 Peter 1:18
knowing, as you do, that it was not with a ransom of perishable wealth, such as silver or gold, that you were set free from your frivolous habits of life which had been handed down to you from your forefathers,
Revelation 5:9
And now they sing a new song. "It is fitting," they say, "that Thou shouldst be the One to take the book And break its seals; Because Thou hast been offered in sacrifice, And hast purchased for God with Thine own blood Some out of every tribe and language and people and nation,
Revelation 20:1-3
Then I saw an angel coming down from Heaven, having the key of the bottomless pit, and upon his arm he carried a great chain.