Feeling the movement, Musk was indeed excited since he has been moving around the desert-like land without seeing anything interesting. But the movement seemed to be made by some creature, in that case, he would be excited, and his line of sight, which seemed to cover more than 20 km could indeed show him more details.
In the distance, the ground seemed to be shaking, more like cracking, and he was attracted, as his movements seemed to rush in that direction. He would have already chosen to use the imprint on his arm to head to the main region the core disciples are struggling to head toward. It is with reason too since the opportunities present in this region regardless of how good they were did not assist them with the most urgent needs at the moment which was breaking through into Nivarna Stage.
