2 Samuel 2:21

Overview - 2 Samuel 2
David, by God's direction, with his company goes up to Hebron, where he is made king of Judah.
He commends them of Jabesh-gilead for their kindness to Saul.
Abner makes Ishbosheth king of Israel.
12 A mortal skirmish between twelve of Abner's and twelve of Joab's men.
18 Asahel is slain.
25 At Abner's motion, Joab sounds a retreat.
32 Asahel's burial.
Treasury of Scripture Knowledge

2 Samuel 2:21  (King James Version)
And Abner said to him, Turn thee aside to thy right hand or to thy left, and lay thee hold on one of the young men, and take thee his armour. But Asahel would not turn aside from following of him.
 


and take thee
It seems that Asahel wished to get the armour of Abner as a trophy.

armour
or, spoil.
Judges 14:19