C412 Production of Gunpowder

"By the way, you always talk about the Crystalfell Island. Is the Crystalfell Island really that powerful?"

Qin Xiao suddenly asked. From the first day he entered the Eastern Sea, he had heard this term from others. Now that Wang Ye came from the Crystalfell Island, he could ask about the specific situation.

"The Crystalfell Island..."

When he mentioned the Crystalfell Island