It looks like the crystal ball thingy is supposed to show everything whether she remembers/knows it or not, so maybe she's learning how shitty her birth background was along with the rest of us.
I mean, the Protagonist Halo creating contrivances in favor of the "Hero" is an established trope in villain transmigration stories, so it's not like the author pulled that out of their ass in this case.
She didn't actually have power over death tho. Hell god literally crumbled Christiana's soul out of existence and brought it back, and that's the role Raoul took. Even if he can't give them physical bodies again, he could at least put their souls back in Paradise, couldn't he? Maybe not if...
Gonna admit I'm still a bit miffed he hasn't gotten around to doing anything about the good followers who were killed by the little shithead god. If he has all this power over time and life and death, bring back kind chubby mama.
As far as alarms, we saw Raoul sense something going wrong at the end of the last chapter and immediately leave to look into it. Though it was assumed it was the king's attack he was sensing, it could have just as easily been that he thought the king was the one attacking Paradise. With as hard...
In the novel, Rina took over Pina's body right before she started school, so after she was already Star Maiden. And Pina peaced out almost immediately after Remilia's condemnation because Rina using her body to hand out sexual favors invoked the trauma of being abused by her father before her...
Yes and no. It's true that Pina's reincarnation was an experiment, but she specifically requested to be a boy in her next life because her life as a girl had been so miserable. Since Pina's reincarnation wouldn't have her memories, Remilia could have easily ignored that wish, but she granted it.