Joshua 10:35

And they took it on that day, and smote it with the edge of the sword, and all the souls that were therein he utterly destroyed that day, according to all that he had done to Lachish.

Cross-references

Joshua 10:32 describes the destruction of Lachish — the pattern that verse 35 says Eglon was treated according to.

Joshua 10:37 says Hebron was destroyed according to what was done to Eglon — the very destruction described in verse 35.

Joshua 10:28 describes the destruction of Makkedah with the same formula used here for Eglon — a repeated conquest pattern.

In Joshua 10:40, this same pattern of total destruction is summarized for all southern cities, including Eglon.

In Joshua 11:12, the same method of total destruction commanded by Moses applies to the northern campaign.