Chapter 1580: The Pitiful Ones

"Sky Treasure Dragonfire Top?" Domingo repeated. "Yes, it's a layer of highly flammable petroleum that ignites upon contact with air. The ancients called it Dragonfire. It's mainly composed of short-chain hydrocarbons. Over time, it decomposes and produces a large amount of propylene, which ignites instantly when exposed to fire," Chloe explained. Domingo's heart tightened. He had thought the Western Xia Treasury was safely excavated by experts, but now he learned about this dangerous element above them. "Has the petroleum been removed?" Domingo asked, trying to suppress his anxiety. "Impossible," Chloe laughed. "Remote sensing ultrasonic instruments have detected that the coverage extends to the center of the inner vault before the signals stop." "So, at least three-quarters of the ceiling contains petroleum, with an estimated volume of one ton, forming a very thin layer." "What should we do then?" "Don't worry, we've reinforced it. The manufacturing process of the Sky Treasure