Leviticus 16:13 in the King James Version
And he shall put the incense upon the fire before the LORD, that the cloud of the incense may cover the mercy seat that is upon the testimony, that he die not:
Context
12 He shall take a censer full of coals of fire from off the altar before the LORD, and two handfuls of sweet incense beaten small, and bring it within the veil.
13 He shall put the incense on the fire before the LORD, that the cloud of the incense may cover the mercy seat that is on the covenant, so that he will not die.
14 He shall take some of the blood of the bull, and sprinkle it with his finger on the mercy seat on the east; and before the mercy seat he shall sprinkle some of the blood with his finger seven times.