Hebrews 10:27

There remains nothing but a certain awful expectation of judgement, and the fury of a fire which before long will devour the enemies of the truth.

Hebrews 10:31

It is an awful thing to fall into the hands of the ever-living God.

Revelation 6:15-17

The kings of the earth and the great men, the military chiefs, the wealthy and the powerful--all, whether slaves or free men--hid themselves in the caves and in the rocks of the mountains,

Treasury of Scripture Knowledge

Summary

That they feared greatly, because Gibeon was a great city, as one of the royal cities, and because it was greater than Ai, and all the men thereof were mighty.

Bible References

They feared

Hebrews 10:27
There remains nothing but a certain awful expectation of judgement, and the fury of a fire which before long will devour the enemies of the truth.
Revelation 6:15
The kings of the earth and the great men, the military chiefs, the wealthy and the powerful--all, whether slaves or free men--hid themselves in the caves and in the rocks of the mountains,