Hell: Devils are Confined In, Until the Judgment Day
Source: TTT
2 Peter 2:4
For if God did not spare the angels when they sinned, but cast them deep into hell, placing them in chains of darkness to be held for judgment;
Jude 1:6
And the angels who did not stay within their own domain but abandoned their proper dwelling—these He has kept in eternal chains under darkness, bound for judgment on that great day.