"A small hole?"
Everyone was astonished and stepped forward to inspect the Iron Breath Bamboo. They discovered that more than ninety percent of the bamboo stalks in this grove had small holes carved into their middles.
Lu Feng vaguely realized something. Secretly activating his Evil-Dispelling Spirit Eyes, he examined one of the small holes in an Iron Breath Bamboo stalk. When he saw the object attached within, his face changed drastically.
"This is... tempering a weapon with bamboo!?"
Lu Feng cried out in surprise. He recalled what Old Book had once taught in class about the art of weapon refinement. He vaguely remembered a refining technique that melted high-grade iron into molten iron, then poured it into Iron Breath Bamboo to improve the quality of the metal itself.
Combining it with the sight before him, Lu Feng was now certain that this bamboo forest had been artificially cultivated. It was a special vessel created specifically to temper and enhance weapon-refining materials!
Through his Evil-Dispelling Spirit Eyes, Lu Feng could see that the inner walls of every Iron Breath Bamboo stalk were covered in a layer of special material. They were clearly lumps of iron formed when molten iron had been poured in and then cooled through some special method. After countless years of settling, these iron lumps had nearly fused into one with the Iron Breath Bamboo. Over those endless years, they had absorbed the bamboo's nourishment, elevating their quality to a level several times beyond the bamboo itself.
If these Iron Breath Bamboo stalks had a chance of being forged into Heaven-grade longswords, then the molten iron nurtured within them for years could absolutely forge Heaven-grade longswords with a one hundred percent certainty!
Chu Youwei glanced at Lu Feng in surprise. She had clearly not expected him to possess