Wise Heart Jewel Box was a supreme protection treasure that once belonged to Li Qiye when he was Dark Crow.
Emperors Era Li Qiye gave the Wise Heart Jewel Box to young Min Ren at the start of the Emperors Era when he only started cultivating.
Min Ren gave the Wise Heart Jewel Box to his first love for her protection. Unfortunately, she was actually in love with his strongest opponent — Virtuous Monarch Jiangzuo — and gave the Wise Heart Jewel Box to him.
This matter had enraged
Li Qiye, and he even ordered his generals to trample over the Jiangzuo Clan. However, Min Ren managed to interfere.
After that the Wise Heart Jewel Box became the clan-protecting treasure of the
Noble Jiangzuo from the Jiangzuo Clan provoked Li Qiye, he used this opportunity to demand the Wise Heart Jewel Box from the Clan as a bet in the duel. 
Links 1 Mention(s) of Wise Heart Jewel Box