Xue Ren's bloodline awakened along with fourth throne trembling. It was a pity that the fourth hadn't materialized like Uris to pass down all memories and knowledge as Xue Ren already confirmed that this is indeed someone from Hell World.
Futhermore, the bloodline was rather thoroughly sealed with memories begin random... However, it still has given Xue Ren a few useful passive abilities. For example, he was intact to corruption coming from hell's energy from Violae Demons.
It was already active, and upon awakening bloodline, it became even stronger. He also can sense hell's energy easier. That's why, while looking at enormous waterfall, Xue Ren tried to penetrate through its defenses as he felt rather familiar hell's energy.
The energy that had death like feeling - The Lord's!
Xue Ren knew that Miya is in his place and that bitch had no way of taking over her body, so the only one who could be here was The Lord, 50th pillar controlling someone's body with his consciousness...