Returned from Another World, My Summons Are a Bit Strong

Lin Yang was summoned to another world as a savior. After saving the other world, he returned to Earth. At this time, the earth has been connected to the wormhole of another world, and everyone has the opportunity to obtain superpowers. As the savior of another world, Lin Yang was actually judged to be the weakest summoner. "The best summoner can only summon a little kitten." ... But the creature Lin Yang summoned was the strongest shadow knight. ... Destroying the Demon King with one strike, tens of thousands of Shadow Knights were all summoned by Lin Yang. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.