Chapter 197: Great Cold Dragon Sparrow

ng a moment's peace."The old man opened his mouth, but in the end said nothing. He sighed and left the study.Late that night, Li Chen was once again woken from his sleep.Despite the burning sensation... to manufacture.But this, in Li Chen's view, was still far from enough."The power must be at least twice that of the gunpowder currently in use. After that, materials can be sought to wrap the gunpowd...