C2679 Challenge the Sixth Rank!

It had been two months since the Alchemy had evolved to the Sixth Rank.

Mu Qing had upgraded his Black Feather Cloak to the Sixth Rank, and his silver cane had also reached the Sixth Rank.

Even the stone lion in the Castle in the Sky had reached the Sixth Rank.

At this point, all the alchemy materials had been used up