On the 18th day, Yudhishthira killed king Shalya, Sahadeva killed Shakuni, and Bhima killed Duryodhana's remaining brothers. Realizing that he has been defeated, Duryodhana fled the warzone and took refuge in the lake. However Pandava's caught up with him. Under the supervision of the now returned Balarama, a mace battle took place between Bhima and Duryodhana in which Duryodhana was mortally wounded. Later Ashwatthama, Kripacharya, and Kritvarma met Duryodhana on his deathbed and promised to avenge him. They attacked Pandava's camp later that night and killed all Pandava's son, including Dhristadyumna and Shikhandi.