Ancestral Weapon deterrence!
That was different from fully revealing that they had mastered the power of reality.
In the former case...
Ancestral Weapons were no great secret to the several Player Worlds.
Likewise...
The appearance of Ancestral Weapons would not be perceived as a threat by the Heavenly Dao of the True Worlds.
After all, however powerful a divine weapon might be, it was still only a divine weapon.
Not to mention...
The foundations of Ancestral Weapons fell far short of the Heavenly Dao's.
Even a nine-tribulation ancestral weapon was only comparable to a Dao Fruit existence.
A divine weapon of that level would not make the Heavenly Dao wary.
What could truly make the Heavenly Dao wary was an Immortal Divine Weapon that had undergone transformation.
The last time the Godslayer Saber transformed...
It had alarmed the Heavenly Dao of those True Worlds, causing them to gradually awaken from their slumber.
With that being the case...
If they further revealed that living beings in the Great Thousand World were gradually mastering the power of reality, they would certainly draw the attention of the True Worlds' Heavenly Dao.
When that happened...
There was no telling what serious trouble might arise.
On this point...
Qin Shujian was perfectly clear.
He believed Xiao Chengfeng ought to understand as well.
"I understand what you mean, Heavenly Emperor."
Xiao Chengfeng considered it for a moment, then finally nodded.
He was to conceal his mastery of the power of reality and refrain from slaughtering Players en masse, focusing solely on deterrence.
Put that way...
It did seem a little difficult.
In practice, however, it was not impossible.
"With your assurance, God of War, I can rest easy." Qin Shujian nodded in satisfaction, then rose to leave.
Or rather, he seemed to rise.
In truth, he