Seeing Yin Tian's high spirits, Master Shen and the others resignedly got to their feet.
They knew in their hearts that they had become punching bags, serving as sparring partners for Yin Tian...
This session lasted a full four hours!
Yin Tian cautiously tested himself, each time waiting until the tear in his Vital Energy was slightly larger than the last before letting the others stop.
Although he could recover each time through the Breathing Skill, the time required for recovery increased in proportion to the size of the tear in his Vital Energy.
After four hours, Master Shen and his companions all had sunken eyes and looked as if their bodies were hollowed out.
Their front robes were stained with blood, and they didn't even have the strength to stand up.
Once again Yin Tian recovered from his injuries using the Breathing Skill, then turned to look at Master Shen and the others, "Gentlemen, don't rest yet, stand up and continue."
"Can't do it... can't do it..."