Only I Can Use Summoning

Zhang Ze traveled to a parallel world, where people relied on the Demon Realm to defeat monsters and become stronger to resist the invasion of the Demon Cave monsters. For the sake of his sister Zhang Ze, he entered the Demonic Realm and was named Rakshasa. As a result, he accidentally activated the most powerful SSS-level talent summoning technique! You can summon monsters by killing them. The higher the level of the summoning spell, the more monsters you can summon and they can be upgraded, which is incredible! In the Demon Realm, when other adventurers formed a team of hundreds or even thousands of people to attack the BOSS, Zhang Ze had already led his army of summoned monsters to crush him all the way! In reality, when various countries were still worried about dealing with high-level monsters, Zhang Ze single-handedly challenged hundreds of high-level monsters, shocking the world! "Who is Rakshasa? He has broken the record of human exploration of the Demon Realm all the way, and is about to break through the 100th level!" "With Zhang Ze, the great country has become the most powerful country in the world! If you can't win over this person, you must get rid of him!" "What? Zhang Ze single-handedly picked ten fifth-level Demon Realm powerhouses? It's over..."