Because this power was waiting for its master, Angel.
Thus, the already worried Astaros decided to go against the ancestral code of Demons and directly seek out Angel to serve her. All he asked in return was that if he were ever targeted by a Legendary Mage and had his Temporal Authority stolen, she would alter that past.
Of course, if possible, he could also look for a plan to directly seize the Original Scripture!
'Her having it is nothing compared to me having it.'
Of course, Astaros didn't have such thoughts at this stage, which is why he seemed somewhat personable during his interactions with Angel.
Returning to the topic at hand, Isaac looked at the Great Sword Ghosts before him, who seemed unchanged, and asked curiously, "How long does it last? What are the specific effects?"
