If You Are a Beast Master, You Should Be a Beast Master with All Attributes.

Luo Feng woke up from class and found out that the history class taught by the teacher was different from usual. What was going on? Wait, this history seems to be the same as before, but it is not exactly the same. The First Emperor was actually the first beast master in history? The white snake killed by Emperor Gaozu of the Han Dynasty was actually a legendary monster?