2 Samuel 2:25 (BSB)

The Benjamites rallied to Abner, formed a single unit, and took their stand atop a hill.

From 2 Samuel 2. Also in the ESV.

Commentary on 2 Samuel 2:25

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on 2 Samuel 2:25-32: Here, I. Abner, being conquered, meanly begs for a cessation of arms. He rallied the remains of his forces on the top of a hill (Sa2 2:25), as if he would have made head again, but becomes a humble supplicant to Joab for a little breathing-time, Sa2 2:26. He that was most forward to fight was the first that had enough of it.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 2 Samuel 2:25: And the children of Benjamin gathered themselves together after Abner,.... Either those that were with him before, who upon the battle were dispersed, but now got together again; or others of that tribe, who, hearing of the defeat of Abner, went out of the several cities after him, to strengthen his hands, and renew the fight with Joab: and became one troop; were united together...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on 2 Samuel 2:25-26: 2Sa 2:25-26 The Benjaminites then gathered in a crowd behind Abner, and halted upon the top of a hill to beat back their pursuers; and Abner cried out to Joab, “Shall the sword then devour for ever (shall there be no end to the slaughter)? dost thou not know that bitterness arises at last?