In the future, if someone with bad intentions sneaked into He Song's cave mansion when he was not around, Yu'er's presence would be enough to ensure that intruder would not be able to return.
After Yu'er's Foundation Establishment, one could say that even though it did not significantly influence He Song's personal strength,
but since it has reached Foundation Establishment Realm, it can now truly function as a guardian of the home.
Coming to Yu'er's side,
He Song extended his divine sense, and in an instant, he established a connection with Yu'er.
This was an ability that spirit beasts could possess after their breakthrough to Foundation Establishment and the birth of their divine sense, allowing them to communicate with their master.
As master and servant, He Song naturally understood that this connection would allow him to better issue commands to Yu'er.
However,