Jacob returned to his house and directly entered the basement to start the injection procedure.
This time, when he took the injection, his expression suddenly changed when that heart essence started to course through his veins.
This time he felt a sharp pain in his blood vessels and his heart seemed to be expanding in his chest and then reducing.
Suddenly, he heard a cracking sound that was coming out of his rib cage, and he caught up blood and groan in pain.
'Just what is happening!' He was in extreme pain, but he could still bear it.
But he could also feel those bones were mending slowly, as the pain was also decreasing. He wasn't in impending danger.
The dark mark in his heart was also becoming more and more visible with every heartbeat.
