Tower of God
"Hmm," Jyorta frowned, sensing a limitation of sorts. He closed his eyes, comprehending the source while the three Frenzy Beasts feasted on the Lava Turtle carcasses. Jyorta inspected his presence, the embryonic tattoo he had created, and his aura reserves, using all the accumulated data to find the source of the limitation.
"I get it now," After a long time had passed, his eyes shot open, muttering, "Even though I took the presence of the Frenzy Parasite into me, only its presence remains now while the aura accompanying it has vanished."
Aura was classified as the exertion of a being's presence. But, a presence also contained the nature of the being, i.e. its personification. At present, only the Frenzy Parasite's presence remained. As its aura wasn't Jyorta's, it left his body. His aura expelled it on its own.