The Worst Saint (Golden Deer)

What if Jeralt couldn't escape the eyes of the Church after the blaze that took Garreg Mach? What if the child was raised by the very thing Jeralt was trying to protect them from? Byleth, a student of the Archbishop continued her studies at Garreg Mach monastery meets three fated individuals destined to change Fodlan. Would these fated three change Rhea's student as well?