Tutor in Arad

When Arad becomes the real world< Br> when you cross the earth star with the system, you save your favorite you in goblin's hands again< Br> Lin Feng found that this familiar and strange Arad seemed different from his cognition< Br> in the real world, there are 10000 players with unknown systems. Under the guidance of the system, you can become a mentor for players< Br> what kind of butterfly effect can Lin Feng produce in the Arad continent