MTL - Treasure Hunt America - Chapter 238 invisible enemy

Lin Jiufeng transmigrates to become the Yuhua God Dynasty’s Crown Prince but is dethroned, banished to the Cold Palace, and imprisoned there because he had released the holy maiden of their rival country.Lin Jiufeng isn’t dejected. He has brought a sign-in system with him when he transmigrated and he would receive rewards when he signs in at different places.Before the Cold Palace’s gates, he signs in and receives the Ultimate Heaven Slashing Sword Skill!In the Great Council Hall, he signs in and receives the Heaven Patching Technique!In the Empress Dowager’s palace, he signs in and receives the God of War Totem!…Liu Jiufeng imagines that he can quietly sign in like this until he becomes invincible. Yet who would have imagined that the Heavenly Concubine whom he secretly released would rise in rebellion and seize power after she returns to her country?After she succeeds, her first priority is to attack the Yuhua God Dynasty to rescue Lin Jiufeng.When Liu Jiufeng hears of this news, he’s puzzled. “Do I need you to rescue me?”

The young lord of a small and weak country saves a dragon beside the sea one day.

[True to its genre: a creepy, rule-based horror story, highly refined and quality assured, but prospective readers seeking a thrilling experience should think carefully before proceeding.]In order to secure a substantial university life experience grant, Lin Yi and his roommate registered to attend a suburban university.A seemingly ordinary but slightly unsettling set of student regulations;Strange signs in front of the buildings and seemingly normal building rules;Mysterious figures threading through the campus under abnormal weather conditions…As the experience unfolded, more and more bizarre people and events emerged. To survive and leave the campus, Lin Yi had to navigate on the edge of the rules…[Note: The logical chain of this book was deduced by the author before it was written, forming a closed loop. All rules serve as clues, and all the inconsistent, mysterious occurrences will receive scientific (or quasi-scientific) explanations. There are no supernatural events or related phenomena (just kidding), you are welcome to try reading it!]

…but it seems pretty doable.