Mechanical Summoning of the Magical World

A mediocre summoning magic apprentice faced the danger of being expelled. In order to save his breath, he resolutely chose to participate in a cruel magic trial and strive for the status of a junior magician! However, when Ye Feng traveled through time, everything was completely changed! The original summoning skills suddenly changed completely in Ye Feng's hands. As a summoner, others summon small skeletons, elemental elves, destruction guards, doom guards... As for Ye Feng, he summoned small self-destructing robots, electromagnetic grenades, liquid robots, quantum cannons... Crazy summons, what else in this world cannot be summoned? Endless challenges, what else in this world cannot be challenged? The awesome Ye Feng, what else in this world is more awesome than Ye Feng?