For Zhou Tian, this current mainland is merely a stepping stone towards higher tiers. His plan is to set off immediately for another mainland he has been to after annexing the current one. To truly grow to another height, Zhou Tian knew that the only chance lay on the main continent.
Following Zhou Tian's plan, no matter how difficult it is, he would eliminate the NPCs and goblins in the shortest possible time.
As a result, based on the situation at the time, Zhou Tian had just found his footing and immediately sprung into action.
This time, the target of Zhou Tian's attack was still the group of NPCs.
Given Zhou Tian's situation at the time, he could attack NPCs or goblins. If a choice needed to be made between the two, it was entirely up to Zhou Tian.