He was joined by a female bandit, formerly a courtesan, who advised him to avoid slaughter and to try to win the hearts of the people.

In 1642, after several attempts to capture the city of K`ai-feng, during one of which his left eye was destroyed by an arrow, he at length succeeded, chiefly in consequence of a sudden rise of the Yellow River, the waters of which rushed through a canal originally intended to fill the city moat and flood out the rebels.

The rise of the river, however, was so rapid and so unusually high that the city itself was flooded, and an enormous number of the inhabitants perished, the rest seeking safety in flight to higher ground.
By 1744, Li Tz{u}-ch`eng had reduced the whole of the province of Shensi; whereupon he began to advance on Peking, proclaiming himself first Emperor of the Great Shun Dynasty, the term _shun_ implying harmony between rulers and ruled.

Terror reigned at the Chinese court, especially as meteorological and other portents appeared in unusually large numbers, as though to justify the panic.

The Emperor was in despair; the exchequer was empty, and there was no money to pay the troops, who, in any case, were too few to man the city walls.