16/06/2021
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