Xu Wei felt like he was about to be exposed and asked Li Chen for help coming up with a plan.Li Chen raised his hand and burned the intelligence in the candlelight. After a moment's thought, he smile... iron cavalry were always a major concern for the Qin Dynasty."Last night...until now, it's been almost more than ten hours."Li Chen looked at Su Zhen Ting and asked, "Sixty thousand Liao army cavalry...