Feng Jiu laughed sheepishly and said: "Will the two big brothers please tell me about it?"
"The experience jade badge is personally imbued with divine cognition by Immortal Reverend Chi Mu, the Headmaster of the Starry Cloud Academy. We only need to drip our blood into the jade badge and any demonic beasts or devilry cultivators and felons we kill in here will all be recorded in our experience jade badge on its own. After a thousand experience points is filled up, it will then be the end of our rigorous training or we will have to remain in here, unable to get out."