The Great Idle Person of the Zhenguan Era.

Summary

Yang Yan, a high-ranking official, and Li Su, the director of the Fireworks Bureau, had a tense confrontation after Li Su created the Heaven Shaking Thunder, a powerful explosive. However, when tested, the device failed to produce any destructive power, shocking Yang Yan. Li Su then reduced the gunpowder in the device and ordered the servants to follow Yang Yan's orders, but with a twist. Yang Yan realized his mistake and apologized for his earlier behavior. Li Su, seeing Yang Yan's sincerity, decided to spare his life and instead offered him a chance to learn from the craftsmen in the workshop. Yang Yan accepted and promised not to interfere in the workshop's affairs. Li Su, impressed by Yang Yan's willingness to learn, hoped they could work together in managing the Fireworks Bureau. However, their newfound understanding was short-lived as Yang Yan's expression revealed he still held a grudge against Li Su for slapping him earlier.

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