[he looked between the two and their reactions with confusion. it really was unheard of? Considering how knowledgeable those two were of history, it was surprising they seemed to have no idea.

He pauses, thinking.]

...Seraphim live a long time, so it's possible it was a chapter of history that got erased intentionally. If someone did find a way to control Seraph, I'd imagine Seraphim would take steps to make sure that method didn't get passed on.

[...]

I do recall there was an attempt to do something similar in my past life, but it wasn't successful and backfired.