Moreover, Zheng Yichen implied that the World Tree obviously possessed self-awareness. Considering the tree's magnificent scale, now that he was aware of this, he decided to focus on researching those warships.
As for the tree, perhaps he could collect some bark as a souvenir later? A tree so large naturally shed bark much like a microorganism encountering human dandruff.
"When you're conducting research, if you have free time, you could teach the natives of this world; they're pretty unfortunate."
"That's no problem, we do need some assistants to study these warships, but we don't want anyone who gets in through connections," a researcher stated very clearly.
It was alright to bring people along, as long as they were capable. They could start with simple tasks, assisting and learning at the same time, but they had to be genuinely qualified—at the very least... they needed to have some brains, right?