Versatile Mage: Open a Jar for a Prize, and Get Black Dragon Sky from the Start

[Doesn't steal opportunities from the original characters] [Multiple heroines] [Mu Ningxue] [Decisive and ruthless] Ji Yuan accidentally transmigrates into the world of Versatile Mage and contracts the star-destroying Boss, Black Dragon Tian! At the same time, he awakens a System. By giving people jars to open, he can obtain their energy. And so, A shop selling jars appears all over the world. Tianlan Magic High School, Pearl Academy, the Ancient Capital, Venice... Mu Nujiao: “Thor's Hammer? Is this a lightning-element magic tool?” Ai Tutu: “Six-Winged Angel Martial Soul, possess me!” Mo Fan: “Golden-Horned Beast, let's fight!” Iron Man's armor, Hulk gene serum... From then on, the Versatile Mage World descends into chaos