Destroy there is in verb form. For them to continually undergo this torment, they need to be in existence in order to experience it. Destroy here doesn't mean to annihilate, since the soul is immortal/eternal in the sense that it doesn't cease to exist.
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Destroyer....Passover.....Titus....
destruction of Jerusalem
Reve 9:11
and they are having of them king the Messenger of the Abyss, name to him to Hebrew abaddwn <3>,
and in the Greecian name is having destroyer/ap-olluwn <623>
575. apo apo' a primary particle; "off," i.e. away (from something near),
3639. olethros ol'-eth-ros from a primary
ollumi (to destroy; a prolonged form); ruin, i.e. death, punishment:--destruction.
3645. olothreuo ol-oth-ryoo'-o from 3639; to spoil, i.e. slay:--destroy.
Heb 11:28
Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed G3645 the firstborn should touch them.
The Destruction of Jerusalem - George Peter Holford, 1805AD
The day on which Titus encompassed Jerusalem, was the feast of the Passover; and it is deserving of the very particular attention of the reader, that this was the anniversary of that memorable period in which the Jews crucified their Messiah !
At this season multitudes came up from all the surrounding country, and from distant parts, to keep the festival.
How suitable and how kind, then, was the prophetic admonition of our LORD, and how clearly he into futurity when he said "Let not them that are in the countries enter into Jerusalem." Luke xxi. 21..........
Of the Jews destroyed during the siege, Josephus reckons not less than ONE MILLION AND ONE HUNDRED THOUSAND, to which must be added, above TWO-HUNDRED AND THIRTY-SEVEN THOUSAND who perished in other places, and
innumerable multitudes who were swept away by famine, and pestilence, and of which no calculation could be made.
Not less than
two thousand laid violent hands upon themselves. Of the captives the whole was about NINETY-SEVEN THOUSAND................
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