"Meditation" Scar
"What did you do?!" Hao Xuan yelled at the empty room, "Are you really that immature?? So much for a fucking demigod, huh? Living up to your father's name I see, just wanting people to suffer for no reaso-"
He was halfway through the rant when the relevant information came to him like a prophecy.
"Oh...a meditation scar? Is that even a thing?"
Despite waves of pain shooting out from the scar Hao Xuan sat down to inspect it closely. He could feel a tingling sensation all around the scar as new nerve clusters took root.
"Hmm, the concept makes sense," he mumbled thoughtfully, "Extreme emotions are more apparent behind the veil. You cause yourself pain and use it to cross over to the other side with ease. If something happens, simply releasing the pressure from the scar will greatly weaken the connection allowing the soul or the mind to return."