The King's Avatar: This Guardian Angel Is Not Right

An Li, a man, was an avid reader of online novels and read all kinds of stories. But his favorite would always be that one novel, The King's Avatar. One night, after staying up late reading, he died suddenly and transmigrated into the world of his beloved The King's Avatar. He was thrilled and excited, and planned to compete on the battlefield alongside his idol, Ye Xiu. But little by little, why did everyone who teamed up with him start getting scared of him? All he did was give them a little bad luck with his “poisonous support.” What was the big deal?~