Revelation 19:20

The Beast was captured, and with him was taken the false Prophet, who performed the marvels before the eyes of the Beast, with which he deceived those who had received the brand of the Beast and those who worshiped his image. Alive, they were thrown, both of them, into the fiery lake 'of burning sulphur.'

Revelation 20:10

and the Devil, their deceiver, was hurled into the lake of fire and sulphur, where the Beast and the false Prophet already were, and they will be tortured day and night for ever and ever.

Treasury of Scripture Knowledge

Summary

So Jehu slew all that remained of the house of Ahab in Jezreel, and all his great men, and his kinsfolks, and his priests, until he left him none remaining.

Bible References

His priests

Revelation 19:20
The Beast was captured, and with him was taken the false Prophet, who performed the marvels before the eyes of the Beast, with which he deceived those who had received the brand of the Beast and those who worshiped his image. Alive, they were thrown, both of them, into the fiery lake 'of burning sulphur.'
Revelation 20:10
and the Devil, their deceiver, was hurled into the lake of fire and sulphur, where the Beast and the false Prophet already were, and they will be tortured day and night for ever and ever.