Invincible Hacker System.

Summary

Fang Mumeng encounters an elder while he prepares to confront a mischievous young disciple. The elder, Ma Shan, reveals their shared history as former students of Illusion University and recounts a tragic tale of the Jade Staff Army's catastrophic loss against the Mouse Illusion Army. After being ordered to join the emperor, the army was ultimately lost in a failed assault on Wan Mouse Mountain, where a powerful mouse spirit buried them alive. Only Ma Shan escaped with a child, leading to widespread grief in the Daughter Kingdom. The kingdom's king later sought vengeance against the mouse spirit, resulting in the spirit's eventual defeat at great cost.

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