Jeremiah 48:45

"In the shadow of Heshbon fugitives stand without strength, for a fire has gone out from Heshbon, and a flame from Sihon. And it has eaten the forehead of Moab, and the skulls of the people of tumult.

Numbers 24:17

I see him, but not now; I behold him, but not near; a star will go out from Jacob, and a scepter will rise from Israel; it will crush the foreheads of Moab and destroy all the children of Seth.

Numbers 21:28

Because fire went out from Heshbon, a flame from the city of Sihon; it consumed Ar of Moab, the lords of the high places of Arnon.

Numbers 21:21

Israel sent messengers to Sihon, the king of the Amorites, saying,

Numbers 21:26

Because Heshbon [was] the city of Sihon king of the Amorites, who had fought against the former king of Moab and taken all his land from his hand until Arnon.

Amos 2:2

So I will send a fire against Moab and it will devour the citadel fortresses of Kerioth, and Moab will die amid uproar, amid war cries [and] amid the sound of a horn.

Zechariah 10:4

From them [the] cornerstone will go out, from them [the] tent peg, from them [the] battle bow, from them every ruler, [all] together.

Matthew 21:42

Jesus said to them, "Have you never read in the scriptures, 'The stone which the builders rejected, this has become {the cornerstone}. This came about from the Lord, and it is marvelous in our eyes'?

Treasury of Scripture Knowledge

Summary

They that fled stood under the shadow of Heshbon because of the force: but a fire shall come forth out of Heshbon, and a flame from the midst of Sihon, and shall devour the corner of Moab, and the crown of the head of the tumultuous ones.

Bible References

A fire

Numbers 21:28
Because fire went out from Heshbon, a flame from the city of Sihon; it consumed Ar of Moab, the lords of the high places of Arnon.
Amos 2:2
So I will send a fire against Moab and it will devour the citadel fortresses of Kerioth, and Moab will die amid uproar, amid war cries [and] amid the sound of a horn.

Devour

Numbers 24:17
I see him, but not now; I behold him, but not near; a star will go out from Jacob, and a scepter will rise from Israel; it will crush the foreheads of Moab and destroy all the children of Seth.
Zechariah 10:4
From them [the] cornerstone will go out, from them [the] tent peg, from them [the] battle bow, from them every ruler, [all] together.
Matthew 21:42
Jesus said to them, "Have you never read in the scriptures, 'The stone which the builders rejected, this has become {the cornerstone}. This came about from the Lord, and it is marvelous in our eyes'?