Chapter 603: Seven-star Medicine Tripod

"Carbon essence? What kind of tree does that come from?" Lin Tian asked curiously.

"Carbon essence is a thing from several geological eras ago. The name of the tree it came from is no longer important. Currently, the hardest tree in the world is the iron birch; it's three times harder than oak and twice as hard as regular steel, making it suitable for ball bearings and shafts. But the ancient tree that formed carbon essence was, according to scientific estimates, twice as hard as the iron birch. It was such trees that, after geological changes, formed carbon essence." The Heavenly Master Girl imparted in a similarly ethereal voice.

Lin Tian looked at her curiously; hearing the word "science" from the mouth of a Demon Exorcist seemed odd.

In the eyes of many, demon exorcism skills are considered superstitions because science can't explain them, so it's naturally awkward for exorcists to talk about science.