>>538903889
No chance any of the winners in Fodlan's situation would ditch heroes' relics. Edelgard needed them and collected them whenever you took out a character that had them, Dimitri acknowledges their value and necessity, Claude fucks off to another country before anyone can even really say much about them. The only way you'd really see them disappearing outside of one guy would be if after the war and learning their origins, the lords willingly surrendered them, but that's unlikely