User blog comment:Nearthel/Bellomarus, the Destroyer of Worlds (Background for my next custom champion)/@comment-3391671-20160421000501/@comment-5235176-20160421124925

The background Riot gave to Aurelion Sol is about why he is in Runeterra, so I think  although he's important in Aurelion Sol's past background, he has no relevance in the background Riot gave him.