My XP Can Increase the Combat Effectiveness of Summoned Companions

Traveling through time, this is a world with a disaster called the 'Singularity'. People who are adaptable here can awaken their careers and talents. And what Wei Lai got was The only good thing is that Wei Lai has a talent called [XP], which can improve the combat effectiveness of himself and his summons. He is the summoner who consumes the most resources and has the weakest combat power.