Xianxia: Get a Reliable System at the Beginning

Demons invade, clans fight, and the world is in chaos! Tang Yuchen traveled here and unlocked a reliable system! System: The system is not very stable for the time being, but it is guaranteed to send you back to modern times after completing the task! What??? Unstable? Can you return to modern times by completing tasks? Tang Yuchen worked frantically on tasks. Kill the demons and bring peace to the sect! I hope that one day I can return to modern times! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.