North Underworld resembled the sea yet was not, an expanse of water utterly devoid of life energy, where to fall within meant soul-crushing, bone-eroding obliteration.
However, its effects were only substantial against the Yuan Sovereign Clan. To others, it was merely a conventional attack, whose underlying laws Su He didn't understand. She had no idea which predecessor had created this Divine Skill. Su He had merely discovered that she could inherit it, a simple transference, nothing more.
She knew it worked but not why it worked.
But as long as it was useful, that was all that mattered. The knowledge involved would become clear naturally, once she had accumulated enough over time.
Yuan Lie struggled and sunk in the North Underworld, watching his flesh dissolve bit by bit. Several times he tried to rush out, but he couldn't. He immediately slapped the top of his head with the back of his hand, killing himself with a palm strike.