Revelation 20:1-2, 14
Revelation 20:1-2 NASB1995
Then I saw an angel coming down from heaven, holding the key of the abyss and a great chain in his hand. And he laid hold of the dragon, the serpent of old, who is the devil and Satan, and bound him for a thousand years
Revelation 20:14 NASB1995
Then death and Hades were thrown into the lake of fire. This is the second death, the lake of fire.