Nexus;Dreamer's System

Blinter is a normal living among humanity just as usual, when he receives an heirloom ring from his family.The ring actually being a key to the nexus world, the Nexus ring. Blinter is transported to nexus, an artificial space made by aliens. This aliens use the nexus to meet up and trade and do many things, some even use it for entertainment. blinter is confused and concludes that aliens exist. Blinter also awakens the dreamers system. basically the Nexus ring allows him to enter into nexus everytime he sleeps. Blinter also must level up inside nexus for him to unlock cool abilities and powers. What secrets will the nexus reveal. What does this mean for earth & what hope is there that it will all be saved by a 16 year old teenager with a system?.