Upgrade School Inner - Stronger, better

Now, Hero maybe Upgrade School Inner 3 Page 1 - 2 
Use item in event thief book trade and use
GUIDE

1. Move to Suzhou city : 390 , 796



2. Trade in NPC SHANG WU



3. Choose school you, and trade
NEED : 6 book school TIANSHAN



4. GUIDE Trade item BOOK TIANSHAN