If it's just humans, Agunas wouldn't be worried. As long as humans don't find out about this thing, it's fine. But... with Old Wei's words... even if Feng Yuan says nothing, they will surely find out what's going on. That's inevitable.
Once they set their sights on this thing, even dealing with it would be difficult. If only that guy were easier to persuade. In reality, it's impossible. Don't be fooled by his usual friendliness — when it comes to matters like this, he is incredibly stubborn.
"This indeed presents a problem. After all, this thing did allow the Stone Horror Spirit to transcend the long passage of time, but such a price of being confined to one place, he definitely wouldn't accept."
Veronia knows what Old Wei intends to do, so she quickly identifies a key issue: are longevity beings unable to move? If they are stuck in one place, Old Wei probably wouldn't be interested at all.
