Hearing the affirmation from ZI, that it was possible for it to interrupt where the portal was to deliver them.
He was able to put his mind at ease, since he would be able to avoid himself from the people of Young master Steve.
If he should enter inside the Tropical Chaos Forest with the help from ZI he could distance himself from his enemies and if he should run away without entering the Tropical Chaos Forest it would be more dangerous because those that are monitoring him would not let him go.
Chasing him down to get him killed and if he should enter the Tropical Chaos Forest, there would be hope he could decide to stay inside and come out whenever he wants.
Since there was not a limit on how long one could stay inside, if the task that took you to the Tropical Chaos Forest is tougher than what you plan when you get into it, you might spend extra time there.