My Time Control System.

In the year of 2050, mysterious portals started to appear seemingly out of nowhere, through these portals came beasts such as goblins, elfs and dragons, and the human species were quickly being wiped out, scientist were developing things called a system, they were planning to keep it secret for the time being, but due to unexpected events, they had to reveal it to the public, they gave every remaining survivors these unique things,because of that the humans were able to fight back, everyone seeing that they were losing, the otherworldly species and the humans decided to truce, they each called for their most powerful commanders, Ignite the Dragon, Gaia the Goblin, Gale the Elf, and finally, Aqua the Human, all species decide that they would truce, all of the continents and islands of the world came together to create a supercontinent, were they were divided into 4 Kingdoms, The Dragon Kingdom, The Elf Kingdom, the Goblin Kingdom, and finally, The human Kingdom, but soon a far will break out,Leroy was not an ordinary boy, as he did not have a system, but one day he ended up getting one, it was so overpowered that he could single-handedly stopped the war.