Use An Axe!

"You see that burnt mess out there to the south? A short time ago, it was dense woodland flowering in the middle of a desert. How, you ask? Phoenix Magic. No, not from a true Phoenix - lesser kin, but magical all the same." "The firebirds did not take too kindly to us using their trees to build our War Machines. Foolish birds that they are, an entire woodland was burnt just to summon guardians. These guardians hinder our efforts to take what's left. Chop down the Burned Hollows and Wan Arbors."