anger towards Song Yi. On the morning of the 47th day, Xiang Yu burst into Song Yi's tent, took the latter by surprise and killed him. Xiang Yu then announced to the army that Song Yi was plotting with the Qi state against Chu, and that he had received a secret order from King Huai II to execute the traitor Song Yi. The other subordinate generals feared Xiang Yu and allowed him to be the acting commander. Xiang Yu sent a messenger to inform King Huai II and the king was forced to retroactively approve his command. The battle Xiang Yu sent Ying Bu and Zhongli Mo to lead 20,000 men to cross the Yellow River and reinforce Julu, and they won a few skirmishes. In the twelfth month of 208 BC, Xiang Yu personally led an army across the river to meet up with Ying Bu and Zhongli Mo. By the time he arrived on the battlefield, Zhao forces in Julu had been nearly starved under a prolonged siege by Zhang Han's deputy Wang Li. Xiang Yu ordered his men to carry only three days worth of supplies and destroy the rest, along with their cauldrons and cooking utensils, and sink the boats they used to cross the river. In doing so, Xiang Yu was sending a clear signal to his troops that they had no chance of survival unless they defeated the enemy and seized their supplies. Xiang Yu's troops fought very fiercely, to the extent of "every Chu soldier taking on ten foes", and eventually defeated Qin forces in nine consecutive engagements. Wang Li's supply lines were disrupted and the Qin army suffered a crushing defeat. With casualties mounting to over 100,000, Zhang Han was forced to retreat from Julu to Jiyuan, and he planned to defend Jiyuan until reinforcements arrived from Xianyang (the Qin capital). The Qin general Su Jiao () was killed in action, Meanwhile, Wang Li was captured. She Jian () refused to surrender and committed suicide by throwing himself into a fire. Before Xiang Yu launched the assault, forces from other insurgent principalities had arrived at Julu to reinforce the Zhao state, but they did not dare to advance for fear of the large Qin army and only garrisoned outside of the battle area. When Xiang Yu attacked the Qin forces, the other rebel armies did not participate in the fighting and they