Chapter 174: Chapter 174 Mental Breakdown

"In order to activate the five conical-shaped machines, they need different types of dark warriors, this is the list..." Ding Yan passed Chu Yunsheng a document and said slowly.

Chu Yunsheng briefly looked at the document and asked, "there are many fire and ice elemental dark warriors inside the city, the metal elemental dark warriors are barely enough to meet the requirement, but the wood elemental dark warriors and the earth elemental dark warriors, where they can find those people?"

"This is why they never stopped arguing. According to the cloaked man, they have already made the elements converting machines. They can convert metal elemental energy to wood elemental energy, fire elemental energy to the earth elemental energy, and use those converted elemental energies to activate the energy field and open the entrance.