Inside the Spirit Oak Demon Factory.
The moment every Tree Spirit emitted Green Light Particles, Cheng Han felt both surprised and unsurprised.
What surprised him was that he had merely made a promise, yet the Spirit Oak Demons had collectively offered him their loyalty.
What he had expected was that, over the past few months, he had spent nearly every day at the factory, and every Tree Spirit had received his guidance.
His long and unceasing efforts had already earned the Tree Spirits' recognition. Otherwise, they would not have become increasingly obedient.
In other words, this had been bound to happen sooner or later.
That promise just now had happened to be the final push.
Very soon.
Countless refreshing Green Lights converged from all directions, condensing into a large cloud of light that floated before Cheng Han.
The surrounding artificers and apprentices were all dumbfounded.
At that moment.
More than a dozen Spirit Oak Demons nearby suddenly made a new move.
Whoosh! Whoosh!
Hundreds of branches shot over at high speed, weaving into a "wall" in an instant and enclosing Cheng Han and the light cloud at its center.
Several artificers and apprentices standing too close were unceremoniously shoved four meters away by swiftly extending branches.
Their intention was obvious—no one was allowed near! Except Cheng Han! Another second passed.
The light cloud rapidly condensed into a profound imprint about the size of a palm, surrounded by strange spiritual radiance.
Within a hundred meters.
Everyone's minds suddenly filled with countless illusory sounds.
Rustle! Rustle!
Whoosh! Whoosh!
They seemed to hear wind sweeping over treetops, smell the fresh scent of a forest, and even see hazy phantom images of woodland before their eyes.
At that moment.
Everyone had the illusion that they were standing within a luxuriant forest.
No explanation was