Song Jian, holding the Key of Sacred Light, bade farewell to Tula and others, and under the envious gazes of several players, he walked towards the white tower in the center of Sky City;
Near the white tower lay the most important area of Sky City, hosting many significant buildings which had evolved into secret realms. In the eyes of the players, these were several instances.
However, to enter these instances, players had to hunt the monsters in Sky City, and only by obtaining secret keys from the defeated monsters, could they access the instances;
Nowadays, more and more players were entering Sky City, and although the monster levels were generally two to three levels higher than those of the players, they quickly formed five-person squads to start hunting these monsters. In just half a day, the respawn rate of the monsters in Sky City couldn't keep up with the killing speed of the players, and competition for monsters became common;
