Utilizing Hell Plane coordinates to jump, the greater the 'distance' of return, the higher the energy consumption.
With Jack Clark's current strength, the fact that he felt weak in the legs from excessive energy consumption under such circumstances suggests just how distant the space-time of the Ancient Dueling Arena must be.
Fortunately, this scene wasn't witnessed by anyone familiar.
After catching his breath for a short while, Jack Clark's body surged with powerful energy, dispelling his weakness and fatigue.
This was the advantage of having a strong physique; recovery and stamina were astoundingly immense, almost restoring part of his strength with each breath he took.
Whoosh! In an instant, Jack Clark's figure vanished, reappearing at the entrance of a distant clubhouse. At this moment, his aura was already concealed by the power of Hidden Deity, making him appear just like an ordinary person.