Datang: My Son-In-Law Needs Another Life-Extending Pill.

Back in the Tang Dynasty, I originally wanted to rely on my identity as Cheng Yaojin's eldest nephew to continue to be a mess. Unexpectedly, we encountered the Battle of the Weishui River just one month after arriving. After handing the gunpowder purchased from the system to Cheng Yaojin, he led his men to fight from behind the enemy. That night, corpses were everywhere outside the city of Chang'an, and rivers of blood flowed.