 In 276 BC, King Zhaoxiang once again sent Bai Qi to attack Wei.The following year in 275 BC, he sent his uncle Wei Ran to attack Daliang and killed 40,000 Han reinforcements sent to relieve the siege, forcing Wei to concede eight forts from Wencheng (溫城).Wei Ran attacked Wei again in 274 BC, capturing four cities and killing 40,000 men.