"Hmm... That's a problem!" He rubbed his chin as he stares at the treant. 'No wonder, Madame Soledad told that those materials were rare! I can kill these creatures easily. However, It would be a problem if someone finds out that this domain is empty... Leaving them alive would be a perfect cover especially to other humans that might be able to explore this area.'
"If... I... may... What... would... Master... be... using... it... for..."
"Paper!"
"Perhaps... Master... is... referring... to... this!" Tan peeled of a dry bark from his trunk.
The peeled dry bark was lighter in color than the dark brown bark of Tan. The treant gave it to Pedro with respect as Pedro appraised the bark that Tan gave.
...
[Nearis Tree Bark(Dry)]
A bark that can store magical energy! It can be used as a paper or be used in carving charms.
One time use only!
Tradable.
[The 'skin' of the few remaining species of Ents!]
...
"Hmm... I need a constant supply of this dry bark! Can you gather it?"