Su Ze had just transmigrated to a world overrun by demons when he obtained a mobile sign-in System.
Moving around let him absorb cultivation, and completing sign-in missions earned him heaven-defying techniques.
"Mission issued: Reach the City God's Temple east of the city by 12 o'clock and check in for 10 minutes."
"Reward obtained: Technique: Nine Netherworlds Underworld Art. Item: One Soul-Summoning Banner."
This is going to get me killed.
This novel and its characters are entirely fictional. Any resemblance to actual persons or events is purely coincidental. Please do not imitate.
