Rustam catches sight of Shaghad peering over the rim of the pit. The king of Kabul arrives and Rustam curses both of them. Then he asks Shaghad to stretch his bow and give him two arrows, ostensibly so that he can make sure that he dies of his wounds and is not eaten alive by a lion. Stupidly, Shaghad does so. Rustam aims his bow at his half-brother, who hides behind a plane tree (chanaar). Rustam shoots an arrow, transfixing the tree and his half-brother, then he dies.
[A surprisingly large number of the paintings show Rustam standing outside the pit; there is no basis for this in the text. I leave it those who know about botany to say whether any of the painters have actually depicted a chanaar.]