Heller seemed able to sense the pride in Zhang Tie's heart at that moment. He glanced at Zhang Tie and softened his tone. "Fortress Master, your fighting style is too ferocious and too risky. If you encounter an Earth Knight of the Devil Race who is stronger, or who has mastered certain special secret techniques, you could be severely wounded in an instant!"
"Battles like this do not come often. Once the Earth Element crystal deposits in Iron Enclosure Mountain have been mined out in two or three months, we won't see fighting on this scale again for a long time." Zhang Tie sighed as well. "From everything I've learned over the past month or so, I think this may be the final great battle between humans and the Devil Race in the core region of Iron Enclosure Mountain. The standoff here between tens of thousands of human and Devil Race knights may soon come to an end! To come down to the Earth Element Realm and personally take part in such a battle—it hasn't been a wasted trip. If I don't fight with my life and get wounded today, I won't be able to answer to myself!"
Heller could only give a bitter smile at Zhang Tie's answer. "Fortunately, Fortress Master, your gains today were not bad. But the Hua Clan has a saying: 'So long as the green hills remain, there will be no shortage of firewood.' With the resources Fortress Master now possesses, advancing steadily toward the Sky realm is only a matter of time. Being too eager for quick success may instead backfire!"
"All right, I'll remember that!" Zhang Tie knew that Heller truly cared about him, so he humbly accepted Heller's advice. "By the way, you said just now that certain secret techniques mastered by