Deep beneath the ground of a special region like the [Earth Flame Desert].
The environment surrounding that ancient mobile ruin was not only far hotter than the interior of a star, but also under pressure far greater than that inside a black hole. It was as terrifying as some infernal purgatory capable of melting everything.
Yet, despite such a harsh environment, that ancient mobile ruin remained wholly undisturbed.
It was as though the extreme heat and pressure around it simply did not exist.
Moreover, because it lay at an immense depth underground,
even as it moved rapidly beneath the earth, there was no sensation whatsoever on the surface.
However.
At this moment,
under Ling Wuyuan's influence, a figure appeared without warning at a point along the side of that ancient mobile ruin, then followed the sword scar into its interior...
In an instant, sensing the intruder's entry,
some invisible metal puppets randomly patrolling inside the ancient mobile ruin immediately rushed toward the relevant location.
Thus, almost at the very moment the flesh-and-blood puppet reached the inner area, a metal puppet from the [True Abundant Spirit Realm], capable of maintaining constant invisibility around the clock, launched an attack against it.
It was an almost perfect invisibility ability.
Even while unleashing vicious attacks,
the actions of those metal puppets could be described as utterly silent!!
Forget energy fluctuations—even the surrounding airflow did not change in the slightest because of them.
Through special technology,
those invisible metal puppets could even greatly block cultivators' ability to sense danger.
Allowing them, with a very high probability, to kill upon first encounter.
They could slay their targets on the spot in the very first wave of attacks.
Just like now.
Although it was merely a puppet, the flesh-and-blood puppet created by Ruibote had raised its sensory