From that day on, Zhang Tie moved his place of cultivation from beneath Little Tree to the foot of the mountain. He sat cross-legged on a stone platform not far from the Chaos Abyss, letting his body endure the impact of the powerful current while using his spiritual energy to temper the spiritual feather within his Divine Palace...
At the beginning, for three full days, under the impact of that powerful current, Zhang Tie struggled through twelve exhausting hours every day, yet he was never able to fully enter that meditative cultivation state. Only on the fourth day did Zhang Tie gradually adapt somewhat and begin attempting to enter meditation amid that onslaught. By the seventh day, he had finally found his rhythm and could cultivate while allowing his body to withstand the current's impact. Even so, the process remained intermittent. Ten days later, after eating the three Iron Fetus Fruits he had accumulated earlier, Zhang Tie was finally able to enter that cultivation state while his body endured tremendous force...
Afterward, Zhang Tie's cultivation schedule in the Castle of Black Iron became steady. Every day, he spent twelve hours tempering the spiritual feather in his Divine Palace, while letting his body be scoured by the powerful current during cultivation. Then, he spent four hours training battle skills and other secret arts, followed by three hours chanting the Great Wilderness Infinite Treasury Mantra. The final five hours were for eating, resting, and sleeping... Training and comprehending the Iron-Blood Divine Fist remained Zhang Tie's daily task, but alongside it, he also began cultivating other battle skills and secret arts.
The other battle skill Zhang Tie cultivated was the swordsmanship manual from the Eastern Continent that he had acquired at the demon hunter black market in the Selnes War Zone: the Heavenly