Immortal and Martial Arts Summoning System

“Sss...” Liu Mufeng felt an unbearable pain in his head, as if it were about to split open. He took a deep breath and rubbed his temples, trying to ease the pain. All he remembered was playing LOL at an internet cafe and losing more than ten matches in a row because of kids who kept dragging his team down. In a fit of rage, he smashed a computer. Then disaster struck: a short circuit sent an electric shock through him, knocking him unconscious.