During the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Battle_of_Buyur_Lake" id="mwRQ" rel="mw:WikiLink" title="Battle of Buyur Lake">Battle of Buyur Lake</a>, General <a href="https://en.wikipedia.org/wiki/Lan_Yu_(general)" id="mwRg" rel="mw:WikiLink" title="Lan Yu (general)">Lan Yu</a> leads a <a href="https://en.wikipedia.org/wiki/Ming_dynasty" id="mwRw" rel="mw:WikiLink" title="Ming dynasty">Ming</a> army forward to crush the Mongol hordes of <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Tögüs_Temür" id="mwSA" rel="mw:WikiLink" title="Tögüs Temür">Tögüs Temür</a>, the Khan of <a href="https://en.wikipedia.org/wiki/Northern_Yuan" id="mwSQ" rel="mw:WikiLink" title="Northern Yuan">Northern Yuan</a>.