 In 273 BC, Wei and Zhao allied together to attack the Han city of Huayang (華陽).King Zhaoxiang sent troops to relieve the siege, killing 130,000 Wei soldiers outside Huayang and drowning 20,000 Zhao prisoners, forcing Wei to seek an armistice as well as ceding Nanyang (南陽).Qin attacked Wei again in 268 BC and captured Huaicheng (懷城).