His soul enters the body of a Ming imperial clansman, and he spends forty years lying low and living in peace.
As the chaotic Tianqi era approaches, the System arrives on the night of the Double Ninth Festival, unlocking the [Strong in Old Age] talent. The older he gets, the stronger his body becomes, bringing blessings to his entire clan.
Seeing the eunuch faction run rampant and the empire crumble, he refuses to sit back and wait for death. He leads his whole clan far away to the treasured islands of Taiwan.
They clear wasteland and build strongholds, train troops and strengthen their army, drive off Japanese pirates and defeat the Dutch, and consolidate their power along the coast.
Once their troops are elite and their provisions plentiful, he leads his army north, using a small corner of the realm to restore the Ming to an age of prosperity!