บท 785: Digging the Ground

As Castle of Black Iron was not a complete world, there was no elements realm in Castle of Black Iron. Therefore, Zhang Tie could not form chakra in the Castle of Black Iron by entering elements realm. Thankfully, Zhang Tie got 4 earth element crystals from Unther, which barely enabled Zhang Tie to stay three days in Castle of Black Iron. Three days later, Zhang Tie continued to imagine 5 abacuses in his mind at the same time.