It wasn't just Lin Su whose expression was filled with strong shock.
Li Hong's words seemed to have opened a door to a new world for them.
Not surprised by everyone's reaction, Li Hong spoke calmly, "We have to start from the origins of the Guardian Beast Co-operation in combat."
"Do you know how Guardian Beast Co-operation came about?" His gaze swept over the crowd, "The co-operation in combat originated 26 years ago, but the first instance of it in the alliance's history appeared 40 years ago!"
"You should all know that there's a key to Guardian Beast Co-operation combat, called the Chained Yu. With the help of the Chained Yu, Beast Tamers and their guardian beasts can execute Guardian Beast Co-operation."
"But!"
