Luciel didn't refuse and said that he would leave them to the care of Mr. Acacia later. So if they wanted to talk to Thorn and Sun, then they could just visit Mr. Acacia.
With Mr. Acacia watching, Luciel wasn't worried that the other researchers would do something excessive aside from talking to them and getting a bit of their fluids, a bit of their leaves, seeds, or spines.
Treyton's family members were really interested in those things, but most of them were interested not just because of curiosity but also because they were thinking of how those things might strengthen the north base further.
For example, in the case of Camille, they were wondering if they could find a clue on an antiviral or vaccine against the zombie virus from Camille.
So they had also asked if they could check on Camille and if they could get some of his blood.
They didn't agree to it and said that they would have to ask Camille about it first.
