After the groups have been divided, they have separated to try to find the doors, the group that finds a door, will send one member to the next realm before they search for the next door.
Song Zhong, Xiao Huang and the other young people who wanted to kill Liu Yang were in the same group, they did not know that only one person could enter through the door, if they knew before, they would not be in the same group. For each of them also wanted to enter through the door as quickly as possible.
The group was being protected by a relative of Xiao Huang who was at level 700, the strongest member of the group of the clan Song and more other strong members of the clans of the Mercantile Alliance.
Influential people like Song Zhong, Xiao Huang, and others were on top of the warships firing at the skeletons, they were not caring if the attacks were hitting other people or not.