The_last_airbender
idea: lineage in HP world will become more common when mc buys magic that can nurture certain percent of wizard lineage you got. it will taket time but eventually People will specualize in different elements and by the guidance of mc they will focus on 1 specific thing in society, olivander might get wand focused lineage and continue their family like that and others with space element can focus on transportaition in the hp world etc. with this they can reach the image of the prophecy of traveling planets and advancing society faster. more and more families might also appar with different elements and more schools might appear that only takes in those with that specific element