I have a seal pen

I don't know how long I've been trapped in a deep valley ZHENG Shangqing picked up a copper brush in the belly of the skeleton, and the symbols and seal characters on the bloody copper pen immediately lit up red one by one... with a gentle breath, when he touched the copper pen, he immediately turned into a huge white cloud, took him up and left the desperate cliff and valley... but he stepped into a world full of chaos and Demons