The Invincible Low-Key Devil

Name: Yang Yu Identity: The invincible demon king who is number one in the eighty-one domains, an ordinary high school student from Guangguang Academy, and a 21st century time traveler! Age: 19 years old Demon King Realm: Creation Level 100 Level 10 Complete The technique used by the Demon King: God-killing Canon (self-created 10th grade and 10th level) The martial arts and spiritual skills used by the Demon King: Dou Zhan Jue (self-created God Level 10), World Sealing Technique (self-created...), Breaking All Laws with One Force (self-created...) Seventy-Two... Breath Control Technique... Sub-professional skills: Create alchemy out of thin air (self-created 10th grade and level 10) All things are radiant and refining the weapon (self-created 10th grade and 10th level) Volley Painting Brush Talisman Technique (self-created...) System evaluation: Invincible loneliness! He started practicing at the age of 5 and became invincible in the world for 14 years. He created hundreds of god-level martial arts skills and can now easily destroy the world! After self-sealing Realm: Mortal Level 4, Level 3 Skill: Light Source Technique Martial Arts: Lung Step (Level 1, Level 3), Arrow Fist (Level 1, Level 4), Light Movement (Level 1, Level 7) Psychic skills: None. Sub-career: None System introduction: Level 100 is equal to level 1000. Level 10 is equivalent to level 100. Tier 10 and Tier 10 can fully exert the effects of Tier 1 and Tier 10. Author: The road is slow and the road is long, the night is long, I alone am invincible!