With the insertion of the four keys, Peter Brown immediately felt a great force coming, and then he suddenly entered a space.
The space didn't appear too large from the outside, but once inside, it was a completely different situation.
When Peter looked around, Raina Carter had already disappeared from his side, and those three body-refining experts had vanished as well.
Sensing the surroundings once more, Peter discovered that the Immortal Qi here was even more abundant. Being in this place, each breath he took noticeably resulted in a rapid energy upgrade.
Indeed, it was an Immortal Artifact!
Peter could only silently praise the high quality of the Immortal Artifact; compared to this, his own Immortal Artifacts really paled in comparison.
However, now was not the time to think about these things. After scanning the area, he saw it seemed boundless, enveloped in a hazy atmosphere.
Which way should he go to find opportunity?