Great Tang: You Wretch, I Admit I Was Wrong, Now Hand Over the Electricity

Li Ke transmigrated and helped Li Er usher the Tang Dynasty into a new era. But in the end, he was cast aside once he was no longer useful. In a fit of rage, he severed ties with his father and secretly fled to Liangcheng. There, he had already prepared a way out. He had weapons more advanced than the ones he gave Li Er... And more practical skills and technologies than the ones he gave Li Er...