One Month Later, I Will Dress up as Ximen Qing, and Netizens: Bring a Kidney Treasure

One month later, I will travel to Ximenqing. What things do you need to bring? Waiting online! Urgent! ! ! Water friend 1: "If you travel to Ximen Qing, you must bring a kidney treasure with you!" Water friend 23456: "Like +1..." Simon: "..." A countdown to time travel appeared in front of Ximen. One month later, he traveled to Ximen Qing and posted a message seeking help from omnipotent netizens. The system prompts him that he can bring ten kilograms of items. Important event one: Three years after the host traveled through time, the Jin Dynasty destroyed the Liao Dynasty and conquered the Song Dynasty. Important event two: Ten years after the host travels, the Mongolian cavalry will sweep across this land It is useless to suggest bringing ten kilograms of kidney treasure... Useful suggestions, bring a tablet, store modern knowledge in it, start the industrial revolution in advance, and let China rise! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.