Global Magic: My Magic Depends on Others' Guessing

Matthew was reborn to take the college entrance examination, only to find that the world has changed drastically, demons have invaded, and humanity is in danger! Fortunately, Matthew has awakened his top talent: creating something out of nothing! As long as others think or guess what abilities and talents he has, he will get what abilities and talents he has! Generalissimo of the Human United Front: "Matthew is proficient in more than one attribute of magic!" You activate full attribute magic. Leader of the Holy Alliance: "Matthew has the strongest magic talent in history. No matter what magic it is, he can learn it at a glance!" You gain an exact copy of the talent. The owner of the Forbidden Library: "Matthew's magic eye is the most powerful one I have ever seen. It can kill even gods!" You get the Annihilation Eye. When the demons invaded mankind, it was Matthew who sounded the clarion call for mankind to fight back, led mankind to victory, and unearthed the truth hidden deeper! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.