When he heard Chen Changan's words, Old Master Mu and Mu Zhanying's expressions both changed.
Did he want to test how sturdy the barrier was?
But Chen Changan was so powerful now. What if he broke through the barrier outright?
"Grandfather, I know what you're thinking."
"But have you considered that if I can break through the barrier, then someone else can, too? If so, is there any point in having it?"
Before Old Master Mu could speak, Chen Changan had already voiced his concerns.
Hearing Chen Changan's words, Old Master Mu felt they made some sense.
"That's true."
"Then go ahead and test it."
"I'm curious, too, just how powerful the barrier your father set up all those years ago is."
"I'm just afraid of what the result might be..."
Old Master Mu didn't continue, but Chen Changan understood what he was thinking.
All these years, the Mu Family had guarded the Outer Domain. Every time they had taken the initiative to face the enemy, it had been for one reason: to protect the barrier as much as possible, so it wouldn't suffer too many attacks and be destroyed.
Because of that, not only members of the Mu Family but many Human Race experts had also fallen on the Outer Domain Battlefield.
If the barrier was even sturdier than they had imagined, then all their sacrifices and efforts would become a joke.
They had never needed to torment themselves like this.
When Chen Changan appeared outside the barrier, Old Master Mu and Mu Zhanying exchanged a glance, their expressions both complicated.
They hoped Chen Changan couldn't break through the barrier, proving how sturdy it was, yet feared that his failure would turn all their past sacrifices into a joke.
As Chen Changan swung the Red Dust Sword in his