Fadus Warrior Chief

After pushing their bodies and spirits to the limit, these Faduses have started to be called "warrior chiefs" and are looked upon in awe by the other Faduses. They are highly skilled in weaponry, unlike the other Faduses, and can cast spells by borrowing from the power of nature. Even with such powerful bodies and spirits, they have fallen victim to the Ash Forest, like the other Faduses. What is making the Faduses so hostile?