1 Samuel 5:4
And when they arose early on the morrow morning, behold, Dagon was fallen upon his face to the ground before the ark of the Lord; and the head of Dagon and both the palms of his hands were cut off upon the threshold; only the stump of Dagon was left to him.
Cross-reference
1 Samuel 5:7 records the Philistines' reaction to Dagon's fall, directly continuing the narrative.
In Isaiah 2:18, idols will utterly pass away — Dagon's broken body here (head and hands cut off) prefigures that complete destruction.
In Jeremiah 10:11, idols are declared to perish from the earth, echoing Dagon's destruction here.
Ezekiel 6:4-6 depicts God breaking idols and altars, paralleling Dagon's broken body.
Micah 1:7 says carved images will be beaten to pieces, like Dagon's head and hands cut off.
Isaiah 40:20 describes setting up an idol that will not be moved, contrasting with Dagon that fell and broke.
Jeremiah 50:2 describes Bel and Merodach being put to shame, similar to Dagon's humiliation.
Hosea 10:2 says the Lord will break down altars and destroy pillars, similar to Dagon's destruction.